From 7b55bd4d89e0642da8e091021d0926493bbad973 Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Tue, 23 Apr 2024 21:32:28 -0400
Subject: [PATCH] chore: markdown warnings (#11302)

* rename warnings.js to warnings-tmp.js

* start porting warnings

* centralise stuff

* finish porting warnings

* tidy up

* get messages into JSDoc annotations

* prettier

* lint
---
 .prettierignore                               |   1 +
 .../svelte/messages/compile-warnings/a11y.md  | 171 ++++
 .../messages/compile-warnings/attributes.md   |  15 +
 .../svelte/messages/compile-warnings/block.md |   3 +
 .../messages/compile-warnings/components.md   |   3 +
 .../svelte/messages/compile-warnings/css.md   |   3 +
 .../messages/compile-warnings/legacy.md       |  19 +
 .../svelte/messages/compile-warnings/misc.md  |   3 +
 .../messages/compile-warnings/options.md      |   3 +
 .../messages/compile-warnings/performance.md  |   7 +
 .../svelte/messages/compile-warnings/runes.md |  19 +
 .../svelte/messages/compile-warnings/state.md |   7 +
 packages/svelte/package.json                  |   4 +-
 .../svelte/scripts/process-messages/index.js  |  11 +-
 .../templates/compile-errors.js               |   2 +-
 .../templates/compile-warnings.js             |  52 +
 packages/svelte/src/compiler/errors.js        | 257 ++---
 packages/svelte/src/compiler/index.js         |   8 +-
 .../src/compiler/phases/2-analyze/a11y.js     | 216 +++--
 .../compiler/phases/2-analyze/css/css-warn.js |  11 +-
 .../src/compiler/phases/2-analyze/index.js    |  36 +-
 .../compiler/phases/2-analyze/validation.js   |  59 +-
 .../src/compiler/phases/3-transform/index.js  |  43 +-
 .../svelte/src/compiler/phases/types.d.ts     |  10 +-
 packages/svelte/src/compiler/utils/string.js  |   9 +
 packages/svelte/src/compiler/warnings.js      | 910 ++++++++++++------
 .../_config.js                                |   2 +-
 .../descendant-selector-unmatched/_config.js  |   2 +-
 .../css/samples/dynamic-element/_config.js    |   2 +-
 .../tests/css/samples/empty-class/_config.js  |   2 +-
 .../_config.js                                |   6 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../general-siblings-combinator-if/_config.js |   6 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |  12 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../general-siblings-combinator/_config.js    |   8 +-
 .../tests/css/samples/global-block/_config.js |   2 +-
 .../global-with-unused-descendant/_config.js  |   2 +-
 .../svelte/tests/css/samples/host/_config.js  |   2 +-
 .../svelte/tests/css/samples/is/_config.js    |   2 +-
 .../tests/css/samples/nested-css/_config.js   |  14 +-
 .../_config.js                                |   2 +-
 .../samples/preserve-specificity/input.svelte |   4 +-
 .../siblings-combinator-await/_config.js      |   8 +-
 .../siblings-combinator-each-2/_config.js     |   2 +-
 .../_config.js                                |  20 +-
 .../siblings-combinator-each-else/_config.js  |   4 +-
 .../_config.js                                |  16 +-
 .../siblings-combinator-global/_config.js     |   4 +-
 .../_config.js                                |   2 +-
 .../_config.js                                |   2 +-
 .../samples/siblings-combinator-if/_config.js |   8 +-
 .../siblings-combinator-slot/_config.js       |   6 +-
 .../siblings-combinator-star/_config.js       |   2 +-
 .../samples/siblings-combinator/_config.js    |   8 +-
 .../_config.js                                |   6 +-
 .../_config.js                                |   2 +-
 .../unused-selector-leading/_config.js        |   4 +-
 .../unused-selector-string-concat/_config.js  |  20 +-
 .../unused-selector-ternary-concat/_config.js |   2 +-
 .../unused-selector-ternary-nested/_config.js |   4 +-
 .../unused-selector-ternary/_config.js        |   2 +-
 .../unused-selector-trailing/_config.js       |   2 +-
 .../css/samples/unused-selector/_config.js    |   2 +-
 .../extended-builtin/_config.js               |   2 +-
 .../samples/a11y-alt-text/warnings.json       |  16 +-
 .../a11y-anchor-has-content/warnings.json     |   4 +-
 .../a11y-anchor-in-svg-is-valid/warnings.json |  12 +-
 .../a11y-anchor-is-valid/warnings.json        |  24 +-
 .../a11y-aria-activedescendant/warnings.json  |   4 +-
 .../samples/a11y-aria-props/warnings.json     |   8 +-
 .../a11y-aria-proptypes-boolean/warnings.json |   8 +-
 .../a11y-aria-proptypes-integer/warnings.json |  12 +-
 .../a11y-aria-proptypes-number/warnings.json  |  12 +-
 .../a11y-aria-proptypes-string/warnings.json  |   4 +-
 .../a11y-aria-proptypes-token/warnings.json   |  16 +-
 .../warnings.json                             |  20 +-
 .../warnings.json                             |   8 +-
 .../samples/a11y-aria-role/warnings.json      |   8 +-
 .../warnings.json                             |   8 +-
 .../a11y-autocomplete-valid/warnings.json     |  12 +-
 .../input.svelte                              |  42 +-
 .../warnings.json                             |  32 +-
 .../a11y-figcaption-wrong-place/warnings.json |   8 +-
 .../a11y-heading-has-content/warnings.json    |   8 +-
 .../samples/a11y-html-has-lang/warnings.json  |   4 +-
 .../a11y-iframe-has-title/warnings.json       |   4 +-
 .../a11y-img-redundant-alt/warnings.json      |  12 +-
 .../warnings.json                             |  92 +-
 .../warnings.json                             |   8 +-
 .../a11y-media-has-caption/warnings.json      |  16 +-
 .../input.svelte                              |  12 +-
 .../warnings.json                             |  16 +-
 .../a11y-no-abstract-roles/warnings.json      |  48 +-
 .../samples/a11y-no-access-key/warnings.json  |   4 +-
 .../samples/a11y-no-autofocus/warnings.json   |   4 +-
 .../warnings.json                             |   8 +-
 .../warnings.json                             | 236 ++---
 .../warnings.json                             |  20 +-
 .../warnings.json                             | 196 ++--
 .../warnings.json                             |  16 +-
 .../a11y-no-redundant-roles/input.svelte      |   2 +-
 .../a11y-no-redundant-roles/warnings.json     | 156 +--
 .../input.svelte                              |   6 +-
 .../warnings.json                             |   8 +-
 .../a11y-not-on-components/warnings.json      |   4 +-
 .../warnings.json                             |  16 +-
 .../warnings.json                             | 716 +++++++-------
 .../samples/a11y-scope/warnings.json          |   4 +-
 .../a11y-tabindex-no-positive/warnings.json   |   4 +-
 .../samples/component-dynamic/input.svelte    |   6 +-
 .../samples/component-dynamic/warnings.json   |   6 +-
 .../component-name-lowercase/warnings.json    |   2 +-
 .../samples/empty-block/warnings.json         |  48 +-
 .../samples/error-mode-warn/warnings.json     |   4 +-
 .../warnings.json                             |   2 +-
 .../global-event-reference/warnings.json      |   4 +-
 .../samples/ignore-warning/input.svelte       |   4 +-
 .../samples/ignore-warning/warnings.json      |   8 +-
 .../ignore-warnings-cumulative/input.svelte   |   6 +-
 .../ignore-warnings-cumulative/warnings.json  |   4 +-
 .../ignore-warnings-newline/input.svelte      |   6 +-
 .../ignore-warnings-newline/warnings.json     |   4 +-
 .../ignore-warnings-stacked/input.svelte      |   6 +-
 .../ignore-warnings-stacked/warnings.json     |   4 +-
 .../samples/ignore-warnings/input.svelte      |   4 +-
 .../samples/ignore-warnings/warnings.json     |   4 +-
 .../illegal-attribute-character/warnings.json |   4 +-
 .../samples/inline-new-class-2/warnings.json  |   2 +-
 .../samples/inline-new-class-4/warnings.json  |   2 +-
 .../samples/inline-new-class/warnings.json    |   2 +-
 .../invalid-self-closing-tag/warnings.json    |   4 +-
 .../warnings.json                             |  12 +-
 .../warnings.json                             |  12 +-
 .../reactive-module-variable/warnings.json    |   2 +-
 .../rest-eachblock-binding-2/warnings.json    |  12 +-
 .../rest-eachblock-binding-3/warnings.json    |  12 +-
 .../warnings.json                             |   4 +-
 .../rest-eachblock-binding/warnings.json      |  12 +-
 .../runes-bindable-not-called/warnings.json   |   4 +-
 .../warnings.json                             |   6 +-
 .../runes-props-not-called/warnings.json      |   4 +-
 .../warnings.json                             |   4 +-
 .../runes-referenced-nonstate/warnings.json   |   8 +-
 .../warnings.json                             |   2 +-
 .../samples/silence-warnings-2/input.svelte   |   2 +-
 .../samples/silence-warnings/input.svelte     |   4 +-
 .../samples/slot-warning-ignore/input.svelte  |   4 +-
 .../samples/slot-warning/input.svelte         |   2 +-
 .../samples/slot-warning/warnings.json        |   4 +-
 .../samples/slot-warning2/input.svelte        |   4 +-
 .../samples/slot-warning2/warnings.json       |   4 +-
 .../static-state-reference/warnings.json      |   4 +-
 .../store-runes-conflict/warnings.json        |   4 +-
 .../warnings.json                             |   2 +-
 .../unreferenced-variables-each/warnings.json |   4 +-
 .../unreferenced-variables/warnings.json      |  10 +-
 .../samples/use-the-platform/warnings.json    |   4 +-
 164 files changed, 2475 insertions(+), 1779 deletions(-)
 create mode 100644 packages/svelte/messages/compile-warnings/a11y.md
 create mode 100644 packages/svelte/messages/compile-warnings/attributes.md
 create mode 100644 packages/svelte/messages/compile-warnings/block.md
 create mode 100644 packages/svelte/messages/compile-warnings/components.md
 create mode 100644 packages/svelte/messages/compile-warnings/css.md
 create mode 100644 packages/svelte/messages/compile-warnings/legacy.md
 create mode 100644 packages/svelte/messages/compile-warnings/misc.md
 create mode 100644 packages/svelte/messages/compile-warnings/options.md
 create mode 100644 packages/svelte/messages/compile-warnings/performance.md
 create mode 100644 packages/svelte/messages/compile-warnings/runes.md
 create mode 100644 packages/svelte/messages/compile-warnings/state.md
 create mode 100644 packages/svelte/scripts/process-messages/templates/compile-warnings.js
 create mode 100644 packages/svelte/src/compiler/utils/string.js

diff --git a/.prettierignore b/.prettierignore
index 77bdd29cf3..4eea07c2e7 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -4,6 +4,7 @@ packages/**/npm/**/*
 packages/**/config/*.js
 packages/svelte/messages/**/*.md
 packages/svelte/src/compiler/errors.js
+packages/svelte/src/compiler/warnings.js
 packages/svelte/tests/**/*.svelte
 packages/svelte/tests/**/_expected*
 packages/svelte/tests/**/_actual*
diff --git a/packages/svelte/messages/compile-warnings/a11y.md b/packages/svelte/messages/compile-warnings/a11y.md
new file mode 100644
index 0000000000..0e2aaa92b0
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/a11y.md
@@ -0,0 +1,171 @@
+## a11y_aria_attributes
+
+<%name%> should not have aria-* attributes
+
+## a11y_unknown_aria_attribute
+
+Unknown aria attribute 'aria-%attribute%'
+
+## a11y_unknown_aria_attribute_suggestion
+
+Unknown aria attribute 'aria-%attribute%'. Did you mean '%suggestion%'?
+
+## a11y_hidden
+
+<%name%> element should not be hidden
+
+## a11y_incorrect_aria_attribute_type_boolean
+
+The value of '%attribute%' must be either 'true' or 'false'
+
+## a11y_incorrect_aria_attribute_type_integer
+
+The value of '%attribute%' must be an integer
+
+## a11y_incorrect_aria_attribute_type_id
+
+The value of '%attribute%' must be a string that represents a DOM element ID
+
+## a11y_incorrect_aria_attribute_type_idlist
+
+The value of '%attribute%' must be a space-separated list of strings that represent DOM element IDs
+
+## a11y_incorrect_aria_attribute_type_tristate
+
+The value of '%attribute%' must be exactly one of true, false, or mixed
+
+## a11y_incorrect_aria_attribute_type_token
+
+The value of '%attribute%' must be exactly one of %values%
+
+## a11y_incorrect_aria_attribute_type_tokenlist
+
+The value of '%attribute%' must be a space-separated list of one or more of %values%
+
+## a11y_incorrect_aria_attribute_type
+
+The value of '%attribute%' must be of type %type%
+
+## a11y_aria_activedescendant_has_tabindex
+
+Elements with attribute aria-activedescendant should have tabindex value
+
+## a11y_misplaced_role
+
+<%name%> should not have role attribute
+
+## a11y_no_abstract_role
+
+Abstract role '%role%' is forbidden
+
+## a11y_unknown_role
+
+Unknown role '%role%'
+
+## a11y_unknown_role_suggestion
+
+Unknown role '%role%'. Did you mean '%suggestion%'?
+
+## a11y_no_redundant_roles
+
+Redundant role '%role%'
+
+## a11y_role_has_required_aria_props
+
+Elements with the ARIA role "%role%" must have the following attributes defined: %props%
+
+## a11y_interactive_supports_focus
+
+Elements with the '%role%' interactive role must have a tabindex value.
+
+## a11y_no_interactive_element_to_noninteractive_role
+
+<%element%> cannot have role '%role%'
+
+## a11y_no_noninteractive_element_to_interactive_role
+
+Non-interactive element <%element%> cannot have interactive role '%role%'
+
+## a11y_accesskey
+
+Avoid using accesskey
+
+## a11y_autofocus
+
+Avoid using autofocus
+
+## a11y_misplaced_scope
+
+The scope attribute should only be used with <th> elements
+
+## a11y_positive_tabindex
+
+Avoid tabindex values above zero
+
+## a11y_click_events_have_key_events
+
+Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type="button"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.
+
+## a11y_no_noninteractive_tabindex
+
+noninteractive element cannot have nonnegative tabIndex value
+
+## a11y_role_supports_aria_props
+
+The attribute '%attribute%' is not supported by the role '%role%'
+
+## a11y_role_supports_aria_props_implicit
+
+The attribute '%attribute%' is not supported by the role '%role%'. This role is implicit on the element <%name%>
+
+## a11y_no_noninteractive_element_interactions
+
+Non-interactive element <%element%> should not be assigned mouse or keyboard event listeners.
+
+## a11y_no_static_element_interactions
+
+<%element%> with a %handler% handler must have an ARIA role
+
+## a11y_invalid_attribute
+
+'%href_value%' is not a valid %href_attribute% attribute
+
+## a11y_missing_attribute
+
+<%name%> element should have %article% %sequence% attribute
+
+## a11y_autocomplete_valid
+
+The value '%value%' is not supported by the attribute 'autocomplete' on element <input type="%type%">
+
+## a11y_img_redundant_alt
+
+Screenreaders already announce <img> elements as an image.
+
+## a11y_label_has_associated_control
+
+A form label must be associated with a control.
+
+## a11y_media_has_caption
+
+<video> elements must have a <track kind="captions">
+
+## a11y_distracting_elements
+
+Avoid <%name%> elements
+
+## a11y_figcaption_parent
+
+`<figcaption>` must be an immediate child of `<figure>`
+
+## a11y_figcaption_index
+
+`<figcaption>` must be first or last child of `<figure>`
+
+## a11y_mouse_events_have_key_events
+
+'%event%' event must be accompanied by '%accompanied_by%' event
+
+## a11y_missing_content
+
+<%name%> element should have child content
diff --git a/packages/svelte/messages/compile-warnings/attributes.md b/packages/svelte/messages/compile-warnings/attributes.md
new file mode 100644
index 0000000000..dba95975e8
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/attributes.md
@@ -0,0 +1,15 @@
+## avoid_is
+
+The "is" attribute is not supported cross-browser and should be avoided
+
+## global_event_reference
+
+You are referencing globalThis.%name%. Did you forget to declare a variable with that name?
+
+## illegal_attribute_character
+
+Attributes should not contain ':' characters to prevent ambiguity with Svelte directives
+
+## invalid_html_attribute
+
+'%wrong%' is not a valid HTML attribute. Did you mean '%right%'?
diff --git a/packages/svelte/messages/compile-warnings/block.md b/packages/svelte/messages/compile-warnings/block.md
new file mode 100644
index 0000000000..bf4f07c31e
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/block.md
@@ -0,0 +1,3 @@
+## empty_block
+
+Empty block
diff --git a/packages/svelte/messages/compile-warnings/components.md b/packages/svelte/messages/compile-warnings/components.md
new file mode 100644
index 0000000000..f13f105a68
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/components.md
@@ -0,0 +1,3 @@
+## component_name_lowercase
+
+<%name%> will be treated as an HTML element unless it begins with a capital letter
\ No newline at end of file
diff --git a/packages/svelte/messages/compile-warnings/css.md b/packages/svelte/messages/compile-warnings/css.md
new file mode 100644
index 0000000000..1272fe69a1
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/css.md
@@ -0,0 +1,3 @@
+## css_unused_selector
+
+Unused CSS selector "%name%"
diff --git a/packages/svelte/messages/compile-warnings/legacy.md b/packages/svelte/messages/compile-warnings/legacy.md
new file mode 100644
index 0000000000..c87d717d2d
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/legacy.md
@@ -0,0 +1,19 @@
+## no_reactive_declaration
+
+Reactive declarations only exist at the top level of the instance script
+
+## module_script_reactive_declaration
+
+All dependencies of the reactive declaration are declared in a module script and will not be reactive
+
+## unused_export_let
+
+Component has unused export property '%name%'. If it is for external reference only, please consider using `export const %name%`
+
+## deprecated_slot_element
+
+Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.
+
+## deprecated_event_handler
+
+Using on:%name% to listen to the %name% event is is deprecated. Use the event attribute on%name% instead.
diff --git a/packages/svelte/messages/compile-warnings/misc.md b/packages/svelte/messages/compile-warnings/misc.md
new file mode 100644
index 0000000000..dfdf6bdef2
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/misc.md
@@ -0,0 +1,3 @@
+## invalid_self_closing_tag
+
+Self-closing HTML tags for non-void elements are ambiguous — use <%name% ...></%name%> rather than <%name% ... />
\ No newline at end of file
diff --git a/packages/svelte/messages/compile-warnings/options.md b/packages/svelte/messages/compile-warnings/options.md
new file mode 100644
index 0000000000..0b970fb26c
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/options.md
@@ -0,0 +1,3 @@
+## missing_custom_element_compile_option
+
+The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?
diff --git a/packages/svelte/messages/compile-warnings/performance.md b/packages/svelte/messages/compile-warnings/performance.md
new file mode 100644
index 0000000000..b39511370d
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/performance.md
@@ -0,0 +1,7 @@
+## avoid_inline_class
+
+Avoid 'new class' — instead, declare the class at the top level scope
+
+## avoid_nested_class
+
+Avoid declaring classes below the top level scope
\ No newline at end of file
diff --git a/packages/svelte/messages/compile-warnings/runes.md b/packages/svelte/messages/compile-warnings/runes.md
new file mode 100644
index 0000000000..a29d6c41b5
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/runes.md
@@ -0,0 +1,19 @@
+## store_with_rune_name
+
+It looks like you're using the `$%name%` rune, but there is a local binding called `%name%`. Referencing a local variable with a `$` prefix will create a store subscription. Please rename `%name%` to avoid the ambiguity
+
+## non_state_reference
+
+`%name%` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates
+
+## derived_iife
+
+Use `$derived.by(() => {...})` instead of `$derived((() => {...})())`
+
+## invalid_props_declaration
+
+Component properties are declared using `$props()` in runes mode. Did you forget to call the function?
+
+## invalid_bindable_declaration
+
+Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?
diff --git a/packages/svelte/messages/compile-warnings/state.md b/packages/svelte/messages/compile-warnings/state.md
new file mode 100644
index 0000000000..f77fbe514e
--- /dev/null
+++ b/packages/svelte/messages/compile-warnings/state.md
@@ -0,0 +1,7 @@
+## static_state_reference
+
+State referenced in its own scope will never update. Did you mean to reference it inside a closure?
+
+## invalid_rest_eachblock_binding
+
+The rest operator (...) will create a new object and binding '%name%' with the original object will not work
\ No newline at end of file
diff --git a/packages/svelte/package.json b/packages/svelte/package.json
index 11b8c7a46c..ff2640b432 100644
--- a/packages/svelte/package.json
+++ b/packages/svelte/package.json
@@ -99,8 +99,8 @@
     "templating"
   ],
   "scripts": {
-    "build": "rollup -c && pnpm generate:types && node scripts/check-treeshakeability.js",
-    "dev": "rollup -cw",
+    "build": "node scripts/process-messages && rollup -c && pnpm generate:types && node scripts/check-treeshakeability.js",
+    "dev": "node scripts/process-messages && rollup -cw",
     "check": "tsc && cd ./tests/types && tsc",
     "check:watch": "tsc --watch",
     "generate:version": "node ./scripts/generate-version.js",
diff --git a/packages/svelte/scripts/process-messages/index.js b/packages/svelte/scripts/process-messages/index.js
index 52cb23aec3..80c3a811d9 100644
--- a/packages/svelte/scripts/process-messages/index.js
+++ b/packages/svelte/scripts/process-messages/index.js
@@ -111,12 +111,20 @@ function transform(name, dest) {
 				const value = node.value
 					.split('\n')
 					.map((line) => {
+						if (line === ' * MESSAGE') {
+							return message
+								.split('\n')
+								.map((line) => ` * ${line}`)
+								.join('\n');
+						}
+
 						if (line.includes('PARAMETER')) {
 							return vars.map((name) => ` * @param {string} ${name}`).join('\n');
 						}
 
 						return line;
 					})
+					.filter((x) => x !== '')
 					.join('\n');
 
 				if (value !== node.value) {
@@ -168,7 +176,7 @@ function transform(name, dest) {
 					for (let i = 0; i < parts.length; i += 1) {
 						const part = parts[i];
 						if (i % 2 === 0) {
-							const str = part.replace(/(`|\$)/g, '\\$1');
+							const str = part.replace(/(`|\${)/g, '\\$1');
 							quasis.push({
 								type: 'TemplateElement',
 								value: { raw: str, cooked: str },
@@ -211,3 +219,4 @@ function transform(name, dest) {
 }
 
 transform('compile-errors', 'src/compiler/errors.js');
+transform('compile-warnings', 'src/compiler/warnings.js');
diff --git a/packages/svelte/scripts/process-messages/templates/compile-errors.js b/packages/svelte/scripts/process-messages/templates/compile-errors.js
index 96dcb72b3f..cd4d0d56ed 100644
--- a/packages/svelte/scripts/process-messages/templates/compile-errors.js
+++ b/packages/svelte/scripts/process-messages/templates/compile-errors.js
@@ -47,7 +47,6 @@ export class CompileError extends Error {
 }
 
 /**
- *
  * @param {null | number | NodeLike} node
  * @param {string} code
  * @param {string} message
@@ -65,6 +64,7 @@ function e(node, code, message) {
 }
 
 /**
+ * MESSAGE
  * @param {null | number | NodeLike} node
  * @param {string} PARAMETER
  * @returns {never}
diff --git a/packages/svelte/scripts/process-messages/templates/compile-warnings.js b/packages/svelte/scripts/process-messages/templates/compile-warnings.js
new file mode 100644
index 0000000000..e9a0ad3a7d
--- /dev/null
+++ b/packages/svelte/scripts/process-messages/templates/compile-warnings.js
@@ -0,0 +1,52 @@
+import { getLocator } from 'locate-character';
+
+/** @typedef {{ start?: number, end?: number }} NodeLike */
+
+/** @type {import('#compiler').Warning[]} */
+let warnings = [];
+
+/** @type {string | undefined} */
+let filename;
+
+let locator = getLocator('', { offsetLine: 1 });
+
+/**
+ * @param {{
+ *   source: string;
+ *   filename: string | undefined;
+ * }} options
+ * @returns {import('#compiler').Warning[]}
+ */
+export function reset_warnings(options) {
+	filename = options.filename;
+	locator = getLocator(options.source, { offsetLine: 1 });
+
+	return (warnings = []);
+}
+
+/**
+ * @param {null | NodeLike} node
+ * @param {string} code
+ * @param {string} message
+ */
+function w(node, code, message) {
+	// @ts-expect-error
+	if (node.ignores?.has(code)) return;
+
+	warnings.push({
+		code,
+		message,
+		filename,
+		start: node?.start !== undefined ? locator(node.start) : undefined,
+		end: node?.end !== undefined ? locator(node.end) : undefined
+	});
+}
+
+/**
+ * MESSAGE
+ * @param {null | NodeLike} node
+ * @param {string} PARAMETER
+ */
+export function CODE(node, PARAMETER) {
+	w(node, 'CODE', MESSAGE);
+}
diff --git a/packages/svelte/src/compiler/errors.js b/packages/svelte/src/compiler/errors.js
index ee2a961868..761478c24c 100644
--- a/packages/svelte/src/compiler/errors.js
+++ b/packages/svelte/src/compiler/errors.js
@@ -44,7 +44,6 @@ export class CompileError extends Error {
 }
 
 /**
- *
  * @param {null | number | NodeLike} node
  * @param {string} code
  * @param {string} message
@@ -58,8 +57,8 @@ function e(node, code, message) {
 }
 
 /**
+ * Attribute shorthand cannot be empty
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function empty_attribute_shorthand(node) {
@@ -67,8 +66,8 @@ export function empty_attribute_shorthand(node) {
 }
 
 /**
+ * Attributes need to be unique
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function duplicate_attribute(node) {
@@ -76,8 +75,8 @@ export function duplicate_attribute(node) {
 }
 
 /**
+ * Event attribute must be a JavaScript expression, not a string
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_event_attribute_value(node) {
@@ -85,6 +84,7 @@ export function invalid_event_attribute_value(node) {
 }
 
 /**
+ * '%name%' is not a valid attribute name
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -94,8 +94,8 @@ export function invalid_attribute_name(node, name) {
 }
 
 /**
+ * An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function animation_invalid_placement(node) {
@@ -103,8 +103,8 @@ export function animation_invalid_placement(node) {
 }
 
 /**
+ * An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block. Did you forget to add a key to your each block?
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function animation_missing_key(node) {
@@ -112,8 +112,8 @@ export function animation_missing_key(node) {
 }
 
 /**
+ * An element can only have one 'animate' directive
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function animation_duplicate(node) {
@@ -121,6 +121,7 @@ export function animation_duplicate(node) {
 }
 
 /**
+ * Valid event modifiers are %list%
  * @param {null | number | NodeLike} node
  * @param {string} list
  * @returns {never}
@@ -130,8 +131,8 @@ export function invalid_event_modifier(node, list) {
 }
 
 /**
+ * Event modifiers other than 'once' can only be used on DOM elements
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_component_event_modifier(node) {
@@ -139,6 +140,7 @@ export function invalid_component_event_modifier(node) {
 }
 
 /**
+ * The '%modifier1%' and '%modifier2%' modifiers cannot be used together
  * @param {null | number | NodeLike} node
  * @param {string} modifier1
  * @param {string} modifier2
@@ -149,6 +151,7 @@ export function invalid_event_modifier_combination(node, modifier1, modifier2) {
 }
 
 /**
+ * Cannot use multiple `%type%:` directives on a single element
  * @param {null | number | NodeLike} node
  * @param {string} type
  * @returns {never}
@@ -158,6 +161,7 @@ export function transition_duplicate(node, type) {
 }
 
 /**
+ * Cannot use `%type%:` alongside existing `%existing%:` directive
  * @param {null | number | NodeLike} node
  * @param {string} type
  * @param {string} existing
@@ -168,8 +172,8 @@ export function transition_conflict(node, type, existing) {
 }
 
 /**
+ * `let:` directive at invalid position
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_let_directive_placement(node) {
@@ -177,8 +181,8 @@ export function invalid_let_directive_placement(node) {
 }
 
 /**
+ * Invalid 'style:' modifier. Valid modifiers are: 'important'
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_style_directive_modifier(node) {
@@ -186,8 +190,8 @@ export function invalid_style_directive_modifier(node) {
 }
 
 /**
+ * Sequence expressions are not allowed as attribute/directive values in runes mode, unless wrapped in parentheses
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_sequence_expression(node) {
@@ -195,8 +199,8 @@ export function invalid_sequence_expression(node) {
 }
 
 /**
+ * Can only bind to an Identifier or MemberExpression
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_binding_expression(node) {
@@ -204,8 +208,8 @@ export function invalid_binding_expression(node) {
 }
 
 /**
+ * Can only bind to state or props
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_binding_value(node) {
@@ -213,6 +217,7 @@ export function invalid_binding_value(node) {
 }
 
 /**
+ * `bind:%name%` can only be used with %elements%
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} elements
@@ -223,6 +228,7 @@ export function bind_invalid_target(node, name, elements) {
 }
 
 /**
+ * `bind:%name%` is not a valid binding
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -232,6 +238,7 @@ export function bind_invalid(node, name) {
 }
 
 /**
+ * `bind:%name%` is not a valid binding. %explanation%
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} explanation
@@ -242,8 +249,8 @@ export function bind_invalid_detailed(node, name, explanation) {
 }
 
 /**
+ * 'type' attribute must be a static text value if input uses two-way binding
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_type_attribute(node) {
@@ -251,8 +258,8 @@ export function invalid_type_attribute(node) {
 }
 
 /**
+ * 'multiple' attribute must be static if select uses two-way binding
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_multiple_attribute(node) {
@@ -260,8 +267,8 @@ export function invalid_multiple_attribute(node) {
 }
 
 /**
+ * 'contenteditable' attribute is required for textContent, innerHTML and innerText two-way bindings
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function missing_contenteditable_attribute(node) {
@@ -269,8 +276,8 @@ export function missing_contenteditable_attribute(node) {
 }
 
 /**
+ * 'contenteditable' attribute cannot be dynamic if element uses two-way binding
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function dynamic_contenteditable_attribute(node) {
@@ -278,6 +285,7 @@ export function dynamic_contenteditable_attribute(node) {
 }
 
 /**
+ * Invalid compiler option: %msg%
  * @param {null | number | NodeLike} node
  * @param {string} msg
  * @returns {never}
@@ -287,6 +295,7 @@ export function invalid_compiler_option(node, msg) {
 }
 
 /**
+ * Invalid compiler option: %msg%
  * @param {null | number | NodeLike} node
  * @param {string} msg
  * @returns {never}
@@ -296,8 +305,8 @@ export function removed_compiler_option(node, msg) {
 }
 
 /**
+ * This type of directive is not valid on components
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_component_directive(node) {
@@ -305,8 +314,8 @@ export function invalid_component_directive(node) {
 }
 
 /**
+ * {@const} must be the immediate child of {#snippet}, {#if}, {:else if}, {:else}, {#each}, {:then}, {:catch}, <svelte:fragment> or <Component>
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_const_placement(node) {
@@ -314,8 +323,8 @@ export function invalid_const_placement(node) {
 }
 
 /**
+ * Declaration cannot be empty
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_empty_declaration(node) {
@@ -323,8 +332,8 @@ export function invalid_css_empty_declaration(node) {
 }
 
 /**
+ * A :global {...} block cannot be part of a selector list with more than one item
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_block_list(node) {
@@ -332,8 +341,8 @@ export function invalid_css_global_block_list(node) {
 }
 
 /**
+ * A :global {...} block cannot modify an existing selector
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_block_modifier(node) {
@@ -341,6 +350,7 @@ export function invalid_css_global_block_modifier(node) {
 }
 
 /**
+ * A :global {...} block cannot follow a %name% combinator
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -350,8 +360,8 @@ export function invalid_css_global_block_combinator(node, name) {
 }
 
 /**
+ * A :global {...} block can only contain rules, not declarations
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_block_declaration(node) {
@@ -359,8 +369,8 @@ export function invalid_css_global_block_declaration(node) {
 }
 
 /**
+ * :global(...) can be at the start or end of a selector sequence, but not in the middle
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_placement(node) {
@@ -368,8 +378,8 @@ export function invalid_css_global_placement(node) {
 }
 
 /**
+ * :global(...) must contain exactly one selector
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_selector(node) {
@@ -377,8 +387,8 @@ export function invalid_css_global_selector(node) {
 }
 
 /**
+ * :global(...) must not contain type or universal selectors when used in a compound selector
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_global_selector_list(node) {
@@ -386,8 +396,8 @@ export function invalid_css_global_selector_list(node) {
 }
 
 /**
+ * :global(...) must not be followed with a type selector
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_type_selector_placement(node) {
@@ -395,8 +405,8 @@ export function invalid_css_type_selector_placement(node) {
 }
 
 /**
+ * Invalid selector
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_selector(node) {
@@ -404,8 +414,8 @@ export function invalid_css_selector(node) {
 }
 
 /**
+ * Expected a valid CSS identifier
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_identifier(node) {
@@ -413,8 +423,8 @@ export function invalid_css_identifier(node) {
 }
 
 /**
+ * Nesting selectors can only be used inside a rule
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_nesting_selector(node) {
@@ -422,8 +432,8 @@ export function invalid_nesting_selector(node) {
 }
 
 /**
+ * Declaration cannot be empty
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_css_declaration(node) {
@@ -431,8 +441,8 @@ export function invalid_css_declaration(node) {
 }
 
 /**
+ * A `<textarea>` can have either a value attribute or (equivalently) child content, but not both
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_textarea_content(node) {
@@ -440,8 +450,8 @@ export function invalid_textarea_content(node) {
 }
 
 /**
+ * Void elements cannot have children or closing tags
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_void_content(node) {
@@ -449,6 +459,7 @@ export function invalid_void_content(node) {
 }
 
 /**
+ * <%name%> cannot have children
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -458,8 +469,8 @@ export function invalid_element_content(node, name) {
 }
 
 /**
+ * Expected valid tag name
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_tag_name(node) {
@@ -467,6 +478,7 @@ export function invalid_tag_name(node) {
 }
 
 /**
+ * %thing% is invalid inside <%parent%>
  * @param {null | number | NodeLike} node
  * @param {string} thing
  * @param {string} parent
@@ -477,8 +489,8 @@ export function invalid_node_placement(node, thing, parent) {
 }
 
 /**
+ * `<title>` cannot have attributes nor directives
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function illegal_title_attribute(node) {
@@ -486,8 +498,8 @@ export function illegal_title_attribute(node) {
 }
 
 /**
+ * `<title>` can only contain text and {tags}
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_title_content(node) {
@@ -495,6 +507,7 @@ export function invalid_title_content(node) {
 }
 
 /**
+ * Cyclical dependency detected: %cycle%
  * @param {null | number | NodeLike} node
  * @param {string} cycle
  * @returns {never}
@@ -504,6 +517,7 @@ export function cyclical_reactive_declaration(node, cycle) {
 }
 
 /**
+ * `<%name%>` was left open
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -513,8 +527,8 @@ export function unclosed_element(node, name) {
 }
 
 /**
+ * Block was left open
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function unclosed_block(node) {
@@ -522,8 +536,8 @@ export function unclosed_block(node) {
 }
 
 /**
+ * Unexpected block closing tag
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function unexpected_block_close(node) {
@@ -531,8 +545,8 @@ export function unexpected_block_close(node) {
 }
 
 /**
+ * Unexpected end of input
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function unexpected_eof(node) {
@@ -540,6 +554,7 @@ export function unexpected_eof(node) {
 }
 
 /**
+ * %message%
  * @param {null | number | NodeLike} node
  * @param {string} message
  * @returns {never}
@@ -549,6 +564,7 @@ export function js_parse_error(node, message) {
 }
 
 /**
+ * Expected token %token%
  * @param {null | number | NodeLike} node
  * @param {string} token
  * @returns {never}
@@ -558,6 +574,7 @@ export function expected_token(node, token) {
 }
 
 /**
+ * '%word%' is a reserved word in JavaScript and cannot be used here
  * @param {null | number | NodeLike} node
  * @param {string} word
  * @returns {never}
@@ -567,8 +584,8 @@ export function unexpected_reserved_word(node, word) {
 }
 
 /**
+ * Expected whitespace
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function missing_whitespace(node) {
@@ -576,8 +593,8 @@ export function missing_whitespace(node) {
 }
 
 /**
+ * Expected identifier or destructure pattern
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function expected_pattern(node) {
@@ -585,8 +602,8 @@ export function expected_pattern(node) {
 }
 
 /**
+ * If the context attribute is supplied, its value must be "module"
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_script_context(node) {
@@ -594,8 +611,8 @@ export function invalid_script_context(node) {
 }
 
 /**
+ * 'elseif' should be 'else if'
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_elseif(node) {
@@ -603,8 +620,8 @@ export function invalid_elseif(node) {
 }
 
 /**
+ * {:...} block is invalid at this position (did you forget to close the preceeding element or block?)
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_continuing_block_placement(node) {
@@ -612,6 +629,7 @@ export function invalid_continuing_block_placement(node) {
 }
 
 /**
+ * %child% block must be a child of %parent%
  * @param {null | number | NodeLike} node
  * @param {string} child
  * @param {string} parent
@@ -622,6 +640,7 @@ export function invalid_block_missing_parent(node, child, parent) {
 }
 
 /**
+ * %name% cannot appear more than once within a block
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -631,8 +650,8 @@ export function duplicate_block_part(node, name) {
 }
 
 /**
+ * Expected 'if', 'each', 'await', 'key' or 'snippet'
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function expected_block_type(node) {
@@ -640,8 +659,8 @@ export function expected_block_type(node) {
 }
 
 /**
+ * Expected an identifier
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function expected_identifier(node) {
@@ -649,8 +668,8 @@ export function expected_identifier(node) {
 }
 
 /**
+ * {@debug ...} arguments must be identifiers, not arbitrary expressions
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_debug(node) {
@@ -658,8 +677,8 @@ export function invalid_debug(node) {
 }
 
 /**
+ * {@const ...} must be an assignment
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_const(node) {
@@ -667,6 +686,7 @@ export function invalid_const(node) {
 }
 
 /**
+ * {#%name% ...} block cannot be %location%
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} location
@@ -677,6 +697,7 @@ export function invalid_block_placement(node, name, location) {
 }
 
 /**
+ * {@%name% ...} tag cannot be %location%
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} location
@@ -687,8 +708,8 @@ export function invalid_tag_placement(node, name, location) {
 }
 
 /**
+ * Expected attribute value
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function missing_attribute_value(node) {
@@ -696,6 +717,7 @@ export function missing_attribute_value(node) {
 }
 
 /**
+ * Expected closing %delimiter% character
  * @param {null | number | NodeLike} node
  * @param {string} delimiter
  * @returns {never}
@@ -705,8 +727,8 @@ export function unclosed_attribute_value(node, delimiter) {
 }
 
 /**
+ * Directive value must be a JavaScript expression enclosed in curly braces
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_directive_value(node) {
@@ -714,6 +736,7 @@ export function invalid_directive_value(node) {
 }
 
 /**
+ * %type% name cannot be empty
  * @param {null | number | NodeLike} node
  * @param {string} type
  * @returns {never}
@@ -723,6 +746,7 @@ export function empty_directive_name(node, type) {
 }
 
 /**
+ * </%name%> attempted to close an element that was not open
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -732,6 +756,7 @@ export function invalid_closing_tag(node, name) {
 }
 
 /**
+ * </%name%> attempted to close element that was already automatically closed by <%reason%> (cannot nest <%reason%> inside <%name%>)
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} reason
@@ -742,8 +767,8 @@ export function invalid_closing_tag_after_autoclose(node, name, reason) {
 }
 
 /**
+ * The $ name is reserved, and cannot be used for variables and imports
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_dollar_binding(node) {
@@ -751,8 +776,8 @@ export function invalid_dollar_binding(node) {
 }
 
 /**
+ * The $ prefix is reserved, and cannot be used for variables and imports
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_dollar_prefix(node) {
@@ -760,8 +785,8 @@ export function invalid_dollar_prefix(node) {
 }
 
 /**
+ * The $ name is reserved. To reference a global variable called $, use globalThis.$
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_dollar_global(node) {
@@ -769,8 +794,8 @@ export function invalid_dollar_global(node) {
 }
 
 /**
+ * Cannot reference store value inside `<script context="module">`
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function illegal_subscription(node) {
@@ -778,8 +803,8 @@ export function illegal_subscription(node) {
 }
 
 /**
+ * A component can have a single top-level `<style>` element
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function duplicate_style_element(node) {
@@ -787,8 +812,8 @@ export function duplicate_style_element(node) {
 }
 
 /**
+ * A component can have a single top-level `<script>` element and/or a single top-level `<script context="module">` element
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function duplicate_script_element(node) {
@@ -796,8 +821,8 @@ export function duplicate_script_element(node) {
 }
 
 /**
+ * {@render ...} tags can only contain call expressions
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_render_expression(node) {
@@ -805,8 +830,8 @@ export function invalid_render_expression(node) {
 }
 
 /**
+ * expected at most one argument
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_render_arguments(node) {
@@ -814,8 +839,8 @@ export function invalid_render_arguments(node) {
 }
 
 /**
+ * Calling a snippet function using apply, bind or call is not allowed
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_render_call(node) {
@@ -823,8 +848,8 @@ export function invalid_render_call(node) {
 }
 
 /**
+ * cannot use spread arguments in {@render ...} tags
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_render_spread_argument(node) {
@@ -832,8 +857,8 @@ export function invalid_render_spread_argument(node) {
 }
 
 /**
+ * snippets do not support rest parameters; use an array instead
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_snippet_rest_parameter(node) {
@@ -841,8 +866,8 @@ export function invalid_snippet_rest_parameter(node) {
 }
 
 /**
+ * Cannot use `$$props` in runes mode
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_legacy_props(node) {
@@ -850,8 +875,8 @@ export function invalid_legacy_props(node) {
 }
 
 /**
+ * Cannot use `$$restProps` in runes mode
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_legacy_rest_props(node) {
@@ -859,8 +884,8 @@ export function invalid_legacy_rest_props(node) {
 }
 
 /**
+ * `$:` is not allowed in runes mode, use `$derived` or `$effect` instead
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_legacy_reactive_statement(node) {
@@ -868,8 +893,8 @@ export function invalid_legacy_reactive_statement(node) {
 }
 
 /**
+ * Cannot use `export let` in runes mode — use $props instead
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_legacy_export(node) {
@@ -877,6 +902,7 @@ export function invalid_legacy_export(node) {
 }
 
 /**
+ * Cannot use %rune% rune in non-runes mode
  * @param {null | number | NodeLike} node
  * @param {string} rune
  * @returns {never}
@@ -886,8 +912,8 @@ export function invalid_rune_usage(node, rune) {
 }
 
 /**
+ * Cannot export state from a module if it is reassigned. Either export a function returning the state value or only mutate the state value's properties
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_state_export(node) {
@@ -895,8 +921,8 @@ export function invalid_state_export(node) {
 }
 
 /**
+ * Cannot export derived state from a module. To expose the current derived value, export a function returning its value
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_derived_export(node) {
@@ -904,8 +930,8 @@ export function invalid_derived_export(node) {
 }
 
 /**
+ * `$props()` can only be used with an object destructuring pattern
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_props_id(node) {
@@ -913,8 +939,8 @@ export function invalid_props_id(node) {
 }
 
 /**
+ * `$props()` assignment must not contain nested properties or computed keys
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_props_pattern(node) {
@@ -922,8 +948,8 @@ export function invalid_props_pattern(node) {
 }
 
 /**
+ * `$props()` can only be used at the top level of components as a variable declaration initializer
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_props_location(node) {
@@ -931,8 +957,8 @@ export function invalid_props_location(node) {
 }
 
 /**
+ * `$bindable()` can only be used inside a `$props()` declaration
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_bindable_location(node) {
@@ -940,6 +966,7 @@ export function invalid_bindable_location(node) {
 }
 
 /**
+ * `%rune%(...)` can only be used as a variable declaration initializer or a class field
  * @param {null | number | NodeLike} node
  * @param {string} rune
  * @returns {never}
@@ -949,8 +976,8 @@ export function invalid_state_location(node, rune) {
 }
 
 /**
+ * `$effect()` can only be used as an expression statement
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_effect_location(node) {
@@ -958,8 +985,8 @@ export function invalid_effect_location(node) {
 }
 
 /**
+ * `$host()` can only be used inside custom element component instances
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_host_location(node) {
@@ -967,6 +994,7 @@ export function invalid_host_location(node) {
 }
 
 /**
+ * Cannot assign to %thing%
  * @param {null | number | NodeLike} node
  * @param {string} thing
  * @returns {never}
@@ -976,6 +1004,7 @@ export function invalid_assignment(node, thing) {
 }
 
 /**
+ * Cannot bind to %thing%
  * @param {null | number | NodeLike} node
  * @param {string} thing
  * @returns {never}
@@ -985,6 +1014,7 @@ export function invalid_binding(node, thing) {
 }
 
 /**
+ * `%rune%` cannot be called with arguments
  * @param {null | number | NodeLike} node
  * @param {string} rune
  * @returns {never}
@@ -994,6 +1024,7 @@ export function invalid_rune_args(node, rune) {
 }
 
 /**
+ * `%rune%` must be called with %args%
  * @param {null | number | NodeLike} node
  * @param {string} rune
  * @param {string} args
@@ -1004,6 +1035,7 @@ export function invalid_rune_args_length(node, rune, args) {
 }
 
 /**
+ * %name% cannot be used in runes mode
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1013,8 +1045,8 @@ export function invalid_runes_mode_import(node, name) {
 }
 
 /**
+ * Cannot use `$props()` more than once
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function duplicate_props_rune(node) {
@@ -1022,8 +1054,8 @@ export function duplicate_props_rune(node) {
 }
 
 /**
+ * Cannot reassign or bind to each block argument in runes mode. Use the array and index variables instead (e.g. `array[i] = value` instead of `entry = value`)
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_each_assignment(node) {
@@ -1031,8 +1063,8 @@ export function invalid_each_assignment(node) {
 }
 
 /**
+ * Cannot reassign or bind to snippet parameter
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_snippet_assignment(node) {
@@ -1040,8 +1072,8 @@ export function invalid_snippet_assignment(node) {
 }
 
 /**
+ * `$derived.call(...)` has been replaced with `$derived.by(...)`
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_derived_call(node) {
@@ -1049,8 +1081,8 @@ export function invalid_derived_call(node) {
 }
 
 /**
+ * Cannot have a property and a component export with the same name
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function conflicting_property_name(node) {
@@ -1058,8 +1090,8 @@ export function conflicting_property_name(node) {
 }
 
 /**
+ * `<slot>` can only receive attributes and (optionally) let directives
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_slot_element_attribute(node) {
@@ -1067,8 +1099,8 @@ export function invalid_slot_element_attribute(node) {
 }
 
 /**
+ * slot attribute must be a static value
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_slot_attribute(node) {
@@ -1076,8 +1108,8 @@ export function invalid_slot_attribute(node) {
 }
 
 /**
+ * `default` is a reserved word — it cannot be used as a slot name
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_slot_name_default(node) {
@@ -1085,8 +1117,8 @@ export function invalid_slot_name_default(node) {
 }
 
 /**
+ * slot attribute must be a static value
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_slot_name(node) {
@@ -1094,8 +1126,8 @@ export function invalid_slot_name(node) {
 }
 
 /**
+ * Element with a slot='...' attribute must be a child of a component or a descendant of a custom element
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_slot_placement(node) {
@@ -1103,6 +1135,7 @@ export function invalid_slot_placement(node) {
 }
 
 /**
+ * Duplicate slot name '%name%' in <%component%>
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @param {string} component
@@ -1113,8 +1146,8 @@ export function duplicate_slot_name(node, name, component) {
 }
 
 /**
+ * Found default slot content alongside an explicit slot="default"
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_default_slot_content(node) {
@@ -1122,8 +1155,8 @@ export function invalid_default_slot_content(node) {
 }
 
 /**
+ * Cannot use explicit children snippet at the same time as implicit children content. Remove either the non-whitespace content or the children snippet block
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function conflicting_children_snippet(node) {
@@ -1131,8 +1164,8 @@ export function conflicting_children_snippet(node) {
 }
 
 /**
+ * `<svelte:options>` can only receive static attributes
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_attribute(node) {
@@ -1140,8 +1173,8 @@ export function invalid_svelte_option_attribute(node) {
 }
 
 /**
+ * Unsupported `<svelte:option>` value for "namespace". Valid values are "html", "svg" or "foreign"
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_namespace(node) {
@@ -1149,8 +1182,8 @@ export function invalid_svelte_option_namespace(node) {
 }
 
 /**
+ * "tag" option is deprecated — use "customElement" instead
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function tag_option_deprecated(node) {
@@ -1158,8 +1191,8 @@ export function tag_option_deprecated(node) {
 }
 
 /**
+ * Unsupported `<svelte:option>` value for "runes". Valid values are true or false
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_runes(node) {
@@ -1167,8 +1200,8 @@ export function invalid_svelte_option_runes(node) {
 }
 
 /**
+ * Unsupported `<svelte:option>` value for "accessors". Valid values are true or false
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_accessors(node) {
@@ -1176,8 +1209,8 @@ export function invalid_svelte_option_accessors(node) {
 }
 
 /**
+ * Unsupported `<svelte:option>` value for "preserveWhitespace". Valid values are true or false
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_preserveWhitespace(node) {
@@ -1185,8 +1218,8 @@ export function invalid_svelte_option_preserveWhitespace(node) {
 }
 
 /**
+ * Unsupported `<svelte:option>` value for "immutable". Valid values are true or false
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_immutable(node) {
@@ -1194,8 +1227,8 @@ export function invalid_svelte_option_immutable(node) {
 }
 
 /**
+ * Tag name must be two or more words joined by the "-" character
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_tag_property(node) {
@@ -1203,8 +1236,8 @@ export function invalid_tag_property(node) {
 }
 
 /**
+ * "customElement" must be a string literal defining a valid custom element name or an object of the form { tag: string; shadow?: "open" | "none"; props?: { [key: string]: { attribute?: string; reflect?: boolean; type: .. } } }
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_option_customElement(node) {
@@ -1212,8 +1245,8 @@ export function invalid_svelte_option_customElement(node) {
 }
 
 /**
+ * "props" must be a statically analyzable object literal of the form "{ [key: string]: { attribute?: string; reflect?: boolean; type?: "String" | "Boolean" | "Number" | "Array" | "Object" }"
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_customElement_props_attribute(node) {
@@ -1221,8 +1254,8 @@ export function invalid_customElement_props_attribute(node) {
 }
 
 /**
+ * "shadow" must be either "open" or "none"
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_customElement_shadow_attribute(node) {
@@ -1230,6 +1263,7 @@ export function invalid_customElement_shadow_attribute(node) {
 }
 
 /**
+ * `<svelte:options>` unknown attribute '%name%'
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1239,8 +1273,8 @@ export function unknown_svelte_option_attribute(node, name) {
 }
 
 /**
+ * `<svelte:head>` cannot have attributes nor directives
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function illegal_svelte_head_attribute(node) {
@@ -1248,8 +1282,8 @@ export function illegal_svelte_head_attribute(node) {
 }
 
 /**
+ * `<svelte:fragment>` can only have a slot attribute and (optionally) a let: directive
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_fragment_attribute(node) {
@@ -1257,8 +1291,8 @@ export function invalid_svelte_fragment_attribute(node) {
 }
 
 /**
+ * `<svelte:fragment>` slot attribute must have a static value
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_fragment_slot(node) {
@@ -1266,8 +1300,8 @@ export function invalid_svelte_fragment_slot(node) {
 }
 
 /**
+ * `<svelte:fragment>` must be the direct child of a component
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_fragment_placement(node) {
@@ -1275,6 +1309,7 @@ export function invalid_svelte_fragment_placement(node) {
 }
 
 /**
+ * <%name%> tags cannot be inside elements or blocks
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1284,6 +1319,7 @@ export function invalid_svelte_element_placement(node, name) {
 }
 
 /**
+ * A component can only have one <%name%> element
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1293,8 +1329,8 @@ export function duplicate_svelte_element(node, name) {
 }
 
 /**
+ * `<svelte:self>` components can only exist inside {#if} blocks, {#each} blocks, {#snippet} blocks or slots passed to components
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_self_placement(node) {
@@ -1302,8 +1338,8 @@ export function invalid_self_placement(node) {
 }
 
 /**
+ * `<svelte:element>` must have a 'this' attribute
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function missing_svelte_element_definition(node) {
@@ -1311,8 +1347,8 @@ export function missing_svelte_element_definition(node) {
 }
 
 /**
+ * `<svelte:component>` must have a 'this' attribute
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function missing_svelte_component_definition(node) {
@@ -1320,8 +1356,8 @@ export function missing_svelte_component_definition(node) {
 }
 
 /**
+ * Invalid element definition — must be an {expression}
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_element_definition(node) {
@@ -1329,8 +1365,8 @@ export function invalid_svelte_element_definition(node) {
 }
 
 /**
+ * Invalid component definition — must be an {expression}
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function invalid_svelte_component_definition(node) {
@@ -1338,6 +1374,7 @@ export function invalid_svelte_component_definition(node) {
 }
 
 /**
+ * Valid `<svelte:...>` tag names are %list%
  * @param {null | number | NodeLike} node
  * @param {string} list
  * @returns {never}
@@ -1347,8 +1384,8 @@ export function invalid_svelte_tag(node, list) {
 }
 
 /**
+ * Cannot use `<slot>` syntax and `{@render ...}` tags in the same component. Migrate towards `{@render ...}` tags completely.
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function conflicting_slot_usage(node) {
@@ -1356,6 +1393,7 @@ export function conflicting_slot_usage(node) {
 }
 
 /**
+ * `%name%` is an illegal variable name. To reference a global variable called `%name%`, use `globalThis.%name%`
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1365,6 +1403,7 @@ export function illegal_global(node, name) {
 }
 
 /**
+ * `%name%` has already been declared
  * @param {null | number | NodeLike} node
  * @param {string} name
  * @returns {never}
@@ -1374,8 +1413,8 @@ export function duplicate_declaration(node, name) {
 }
 
 /**
+ * A component cannot have a default export
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function default_export(node) {
@@ -1383,8 +1422,8 @@ export function default_export(node) {
 }
 
 /**
+ * Cannot declare same variable name which is imported inside `<script context="module">`
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function illegal_variable_declaration(node) {
@@ -1392,8 +1431,8 @@ export function illegal_variable_declaration(node) {
 }
 
 /**
+ * Cannot subscribe to stores that are not declared at the top level of the component
  * @param {null | number | NodeLike} node
-
  * @returns {never}
  */
 export function illegal_store_subscription(node) {
diff --git a/packages/svelte/src/compiler/index.js b/packages/svelte/src/compiler/index.js
index eee35bf2a8..c2516a2e5f 100644
--- a/packages/svelte/src/compiler/index.js
+++ b/packages/svelte/src/compiler/index.js
@@ -8,6 +8,7 @@ import { remove_typescript_nodes } from './phases/1-parse/remove_typescript_node
 import { analyze_component, analyze_module } from './phases/2-analyze/index.js';
 import { transform_component, transform_module } from './phases/3-transform/index.js';
 import { validate_component_options, validate_module_options } from './validate-options.js';
+import { reset_warnings } from './warnings.js';
 export { default as preprocess } from './preprocess/index.js';
 
 /**
@@ -20,6 +21,7 @@ export { default as preprocess } from './preprocess/index.js';
  */
 export function compile(source, options) {
 	try {
+		const warnings = reset_warnings({ source, filename: options.filename });
 		const validated = validate_component_options(options, '');
 		let parsed = _parse(source);
 
@@ -44,6 +46,7 @@ export function compile(source, options) {
 		const analysis = analyze_component(parsed, source, combined_options);
 
 		const result = transform_component(analysis, source, combined_options);
+		result.warnings = warnings;
 		result.ast = to_public_ast(source, parsed, options.modernAst);
 		return result;
 	} catch (e) {
@@ -65,9 +68,12 @@ export function compile(source, options) {
  */
 export function compileModule(source, options) {
 	try {
+		const warnings = reset_warnings({ source, filename: options.filename });
 		const validated = validate_module_options(options, '');
 		const analysis = analyze_module(parse_acorn(source, false), validated);
-		return transform_module(analysis, source, validated);
+		const result = transform_module(analysis, source, validated);
+		result.warnings = warnings;
+		return result;
 	} catch (e) {
 		if (e instanceof CompileError) {
 			handle_compile_error(e, options.filename, source);
diff --git a/packages/svelte/src/compiler/phases/2-analyze/a11y.js b/packages/svelte/src/compiler/phases/2-analyze/a11y.js
index 7d01c6fdb3..0b54af4b85 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/a11y.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/a11y.js
@@ -7,11 +7,12 @@ import {
 	regex_starts_with_vowel,
 	regex_whitespaces
 } from '../patterns.js';
-import { warn } from '../../warnings.js';
+import * as w from '../../warnings.js';
 import fuzzymatch from '../1-parse/utils/fuzzymatch.js';
 import { is_event_attribute, is_text_attribute } from '../../utils/ast.js';
 import { ContentEditableBindings } from '../constants.js';
 import { walk } from 'zimmerframe';
+import { list } from '../../utils/string.js';
 
 const aria_roles = roles_map.keys();
 const abstract_roles = aria_roles.filter((role) => roles_map.get(role)?.abstract);
@@ -593,40 +594,53 @@ function is_parent(parent, elements) {
 }
 
 /**
+ * @param {import('#compiler').Attribute} attribute
+ * @param {import('aria-query').ARIAProperty} name
  * @param {import('aria-query').ARIAPropertyDefinition} schema
- * @param {string | boolean} value
- * @returns {boolean}
+ * @param {string | true | null} value
  */
-function is_valid_aria_attribute_value(schema, value) {
-	switch (schema.type) {
-		case 'boolean':
-			return typeof value === 'boolean';
-		case 'string':
-		case 'id':
-			return typeof value === 'string';
-		case 'tristate':
-			return typeof value === 'boolean' || value === 'mixed';
-		case 'integer':
-		case 'number':
-			return typeof value !== 'boolean' && isNaN(Number(value)) === false;
-		case 'token': // single token
-			return (
-				(schema.values || []).indexOf(typeof value === 'string' ? value.toLowerCase() : value) > -1
-			);
-		case 'idlist': // if list of ids, split each
-			return (
-				typeof value === 'string' &&
-				value.split(regex_whitespaces).every((id) => typeof id === 'string')
+function validate_aria_attribute_value(attribute, name, schema, value) {
+	const type = schema.type;
+	const is_string = typeof value === 'string';
+
+	if (value === null) return;
+	if (value === true) value = 'true'; // TODO this is actually incorrect, and we should fix it
+
+	if (type === 'boolean' && value !== 'true' && value !== 'false') {
+		w.a11y_incorrect_aria_attribute_type_boolean(attribute, name);
+	} else if (type === 'integer' && !Number.isInteger(+value)) {
+		w.a11y_incorrect_aria_attribute_type_integer(attribute, name);
+	} else if (type === 'number' && isNaN(+value)) {
+		w.a11y_incorrect_aria_attribute_type(attribute, name, 'number');
+	} else if ((type === 'string' || type === 'id') && !is_string) {
+		w.a11y_incorrect_aria_attribute_type(attribute, name, 'string');
+	} else if (type === 'idlist' && !is_string) {
+		w.a11y_incorrect_aria_attribute_type_idlist(attribute, name);
+	} else if (type === 'token') {
+		const values = (schema.values ?? []).map((value) => value.toString());
+		if (!values.includes(value.toLowerCase())) {
+			w.a11y_incorrect_aria_attribute_type_token(
+				attribute,
+				name,
+				list(values.map((v) => `"${v}"`))
 			);
-		case 'tokenlist': // if list of tokens, split each
-			return (
-				typeof value === 'string' &&
-				value
-					.split(regex_whitespaces)
-					.every((token) => (schema.values || []).indexOf(token.toLowerCase()) > -1)
+		}
+	} else if (type === 'tokenlist') {
+		const values = (schema.values ?? []).map((value) => value.toString());
+		if (
+			value
+				.toLowerCase()
+				.split(regex_whitespaces)
+				.some((value) => !values.includes(value))
+		) {
+			w.a11y_incorrect_aria_attribute_type_tokenlist(
+				attribute,
+				name,
+				list(values.map((v) => `"${v}"`))
 			);
-		default:
-			return false;
+		}
+	} else if (type === 'tristate' && value !== 'true' && value !== 'false' && value !== 'mixed') {
+		w.a11y_incorrect_aria_attribute_type_tristate(attribute, name);
 	}
 }
 
@@ -642,7 +656,8 @@ function warn_missing_attribute(node, attributes, name = node.name) {
 		attributes.length > 1
 			? attributes.slice(0, -1).join(', ') + ` or ${attributes[attributes.length - 1]}`
 			: attributes[0];
-	return /** @type {const} */ ([node, 'a11y-missing-attribute', name, article, sequence]);
+
+	w.a11y_missing_attribute(node, name, article, sequence);
 }
 
 /**
@@ -672,15 +687,6 @@ function check_element(node, state) {
 	// foreign namespace means elements can have completely different meanings, therefore we don't check them
 	if (state.options.namespace === 'foreign') return;
 
-	/**
-	 * @template {keyof import('../../warnings.js').AllWarnings} T
-	 * @param {{ start?: number, end?: number }} node
-	 * @param {T} code
-	 * @param  {Parameters<import('../../warnings.js').AllWarnings[T]>} args
-	 * @returns {void}
-	 */
-	const push_warning = (node, code, ...args) => warn(state.analysis.warnings, node, code, ...args);
-
 	/** @type {Map<string, import('#compiler').Attribute>} */
 	const attribute_map = new Map();
 
@@ -727,28 +733,35 @@ function check_element(node, state) {
 		if (name.startsWith('aria-')) {
 			if (invisible_elements.includes(node.name)) {
 				// aria-unsupported-elements
-				push_warning(attribute, 'a11y-aria-attributes', node.name);
+				w.a11y_aria_attributes(attribute, node.name);
 			}
 
 			const type = name.slice(5);
 			if (!aria_attributes.includes(type)) {
 				const match = fuzzymatch(type, aria_attributes);
-				push_warning(attribute, 'a11y-unknown-aria-attribute', type, match);
+				if (match) {
+					// TODO allow 'overloads' in messages, so that we can use the same code with and without suggestions
+					w.a11y_unknown_aria_attribute_suggestion(attribute, type, match);
+				} else {
+					w.a11y_unknown_aria_attribute(attribute, type);
+				}
 			}
 
 			if (name === 'aria-hidden' && regex_heading_tags.test(node.name)) {
-				push_warning(attribute, 'a11y-hidden', node.name);
+				w.a11y_hidden(attribute, node.name);
 			}
 
 			// aria-proptypes
 			let value = get_static_value(attribute);
-			if (value === 'true') value = true;
-			if (value === 'false') value = false;
-			if (value !== null && value !== undefined) {
-				const schema = aria.get(/** @type {import('aria-query').ARIAProperty} */ (name));
-				if (schema !== undefined && !is_valid_aria_attribute_value(schema, value)) {
-					push_warning(attribute, 'a11y-incorrect-aria-attribute-type', schema, name);
-				}
+
+			const schema = aria.get(/** @type {import('aria-query').ARIAProperty} */ (name));
+			if (schema !== undefined) {
+				validate_aria_attribute_value(
+					attribute,
+					/** @type {import('aria-query').ARIAProperty} */ (name),
+					schema,
+					value
+				);
 			}
 
 			// aria-activedescendant-has-tabindex
@@ -758,7 +771,7 @@ function check_element(node, state) {
 				!is_interactive_element(node.name, attribute_map) &&
 				!attribute_map.has('tabindex')
 			) {
-				push_warning(attribute, 'a11y-aria-activedescendant-has-tabindex');
+				w.a11y_aria_activedescendant_has_tabindex(attribute);
 			}
 		}
 
@@ -766,7 +779,7 @@ function check_element(node, state) {
 		if (name === 'role') {
 			if (invisible_elements.includes(node.name)) {
 				// aria-unsupported-elements
-				push_warning(attribute, 'a11y-misplaced-role', node.name);
+				w.a11y_misplaced_role(attribute, node.name);
 			}
 
 			const value = get_static_value(attribute);
@@ -776,10 +789,14 @@ function check_element(node, state) {
 						/** @type {import('aria-query').ARIARoleDefinitionKey} current_role */ (c_r);
 
 					if (current_role && is_abstract_role(current_role)) {
-						push_warning(attribute, 'a11y-no-abstract-role', current_role);
+						w.a11y_no_abstract_role(attribute, current_role);
 					} else if (current_role && !aria_roles.includes(current_role)) {
 						const match = fuzzymatch(current_role, aria_roles);
-						push_warning(attribute, 'a11y-unknown-role', current_role, match);
+						if (match) {
+							w.a11y_unknown_role_suggestion(attribute, current_role, match);
+						} else {
+							w.a11y_unknown_role(attribute, current_role);
+						}
 					}
 
 					// no-redundant-roles
@@ -788,7 +805,7 @@ function check_element(node, state) {
 						// <ul role="list"> is ok because CSS list-style:none removes the semantics and this is a way to bring them back
 						!['ul', 'ol', 'li'].includes(node.name)
 					) {
-						push_warning(attribute, 'a11y-no-redundant-roles', current_role);
+						w.a11y_no_redundant_roles(attribute, current_role);
 					}
 
 					// Footers and headers are special cases, and should not have redundant roles unless they are the children of sections or articles.
@@ -797,7 +814,7 @@ function check_element(node, state) {
 						const has_nested_redundant_role =
 							current_role === a11y_nested_implicit_semantics.get(node.name);
 						if (has_nested_redundant_role) {
-							push_warning(attribute, 'a11y-no-redundant-roles', current_role);
+							w.a11y_no_redundant_roles(attribute, current_role);
 						}
 					}
 
@@ -813,11 +830,13 @@ function check_element(node, state) {
 								(prop) => !attributes.find((a) => a.name === prop)
 							);
 							if (has_missing_props) {
-								push_warning(
+								w.a11y_role_has_required_aria_props(
 									attribute,
-									'a11y-role-has-required-aria-props',
 									current_role,
-									required_role_props
+									list(
+										required_role_props.map((v) => `"${v}"`),
+										'and'
+									)
 								);
 							}
 						}
@@ -836,7 +855,7 @@ function check_element(node, state) {
 							a11y_interactive_handlers.includes(handler)
 						);
 						if (has_interactive_handlers) {
-							push_warning(node, 'a11y-interactive-supports-focus', current_role);
+							w.a11y_interactive_supports_focus(node, current_role);
 						}
 					}
 
@@ -845,12 +864,7 @@ function check_element(node, state) {
 						is_interactive_element(node.name, attribute_map) &&
 						(is_non_interactive_roles(current_role) || is_presentation_role(current_role))
 					) {
-						push_warning(
-							node,
-							'a11y-no-interactive-element-to-noninteractive-role',
-							current_role,
-							node.name
-						);
+						w.a11y_no_interactive_element_to_noninteractive_role(node, node.name, current_role);
 					}
 
 					// no-noninteractive-element-to-interactive-role
@@ -861,12 +875,7 @@ function check_element(node, state) {
 							current_role
 						)
 					) {
-						push_warning(
-							node,
-							'a11y-no-noninteractive-element-to-interactive-role',
-							current_role,
-							node.name
-						);
+						w.a11y_no_noninteractive_element_to_interactive_role(node, node.name, current_role);
 					}
 				}
 			}
@@ -874,17 +883,17 @@ function check_element(node, state) {
 
 		// no-access-key
 		if (name === 'accesskey') {
-			push_warning(attribute, 'a11y-accesskey');
+			w.a11y_accesskey(attribute);
 		}
 
 		// no-autofocus
 		if (name === 'autofocus') {
-			push_warning(attribute, 'a11y-autofocus');
+			w.a11y_autofocus(attribute);
 		}
 
 		// scope
 		if (name === 'scope' && !is_dynamic_element && node.name !== 'th') {
-			push_warning(attribute, 'a11y-misplaced-scope');
+			w.a11y_misplaced_scope(attribute);
 		}
 
 		// tabindex-no-positive
@@ -892,7 +901,7 @@ function check_element(node, state) {
 			const value = get_static_value(attribute);
 			// @ts-ignore todo is tabindex=true correct case?
 			if (!isNaN(value) && +value > 0) {
-				push_warning(attribute, 'a11y-positive-tabindex');
+				w.a11y_positive_tabindex(attribute);
 			}
 		}
 	}
@@ -916,7 +925,7 @@ function check_element(node, state) {
 			const has_key_event =
 				handlers.has('keydown') || handlers.has('keyup') || handlers.has('keypress');
 			if (!has_key_event) {
-				push_warning(node, 'a11y-click-events-have-key-events');
+				w.a11y_click_events_have_key_events(node);
 			}
 		}
 	}
@@ -934,7 +943,7 @@ function check_element(node, state) {
 		const tab_index = attribute_map.get('tabindex');
 		const tab_index_value = get_static_text_value(tab_index);
 		if (tab_index && (tab_index_value === null || Number(tab_index_value) >= 0)) {
-			push_warning(node, 'a11y-no-noninteractive-tabindex');
+			w.a11y_no_noninteractive_tabindex(node);
 		}
 	}
 
@@ -949,14 +958,11 @@ function check_element(node, state) {
 			if (
 				invalid_aria_props.includes(/** @type {import('aria-query').ARIAProperty} */ (attr.name))
 			) {
-				push_warning(
-					attr,
-					'a11y-role-supports-aria-props',
-					attr.name,
-					role_value,
-					is_implicit,
-					node.name
-				);
+				if (is_implicit) {
+					w.a11y_role_supports_aria_props_implicit(attr, attr.name, role_value, node.name);
+				} else {
+					w.a11y_role_supports_aria_props(attr, attr.name, role_value);
+				}
 			}
 		}
 	}
@@ -974,7 +980,7 @@ function check_element(node, state) {
 			a11y_recommended_interactive_handlers.includes(handler)
 		);
 		if (has_interactive_handlers) {
-			push_warning(node, 'a11y-no-noninteractive-element-interactions', node.name);
+			w.a11y_no_noninteractive_element_interactions(node, node.name);
 		}
 	}
 
@@ -993,16 +999,16 @@ function check_element(node, state) {
 			a11y_interactive_handlers.includes(handler)
 		);
 		if (interactive_handlers.length > 0) {
-			push_warning(node, 'a11y-no-static-element-interactions', node.name, interactive_handlers);
+			w.a11y_no_static_element_interactions(node, node.name, list(interactive_handlers));
 		}
 	}
 
 	if (handlers.has('mouseover') && !handlers.has('focus')) {
-		push_warning(node, 'a11y-mouse-events-have-key-events', 'mouseover', 'focus');
+		w.a11y_mouse_events_have_key_events(node, 'mouseover', 'focus');
 	}
 
 	if (handlers.has('mouseout') && !handlers.has('blur')) {
-		push_warning(node, 'a11y-mouse-events-have-key-events', 'mouseout', 'blur');
+		w.a11y_mouse_events_have_key_events(node, 'mouseout', 'blur');
 	}
 
 	// element-specific checks
@@ -1021,14 +1027,14 @@ function check_element(node, state) {
 			const href_value = get_static_text_value(href);
 			if (href_value !== null) {
 				if (href_value === '' || href_value === '#' || /^\W*javascript:/i.test(href_value)) {
-					push_warning(href, 'a11y-invalid-attribute', href.name, href_value);
+					w.a11y_invalid_attribute(href, href_value, href.name);
 				}
 			}
 		} else if (!has_spread) {
 			const id_attribute = get_static_value(attribute_map.get('id'));
 			const name_attribute = get_static_value(attribute_map.get('name'));
 			if (!id_attribute && !name_attribute) {
-				push_warning(...warn_missing_attribute(node, ['href']));
+				warn_missing_attribute(node, ['href']);
 			}
 		}
 	} else if (!has_spread) {
@@ -1036,7 +1042,7 @@ function check_element(node, state) {
 		if (required_attributes) {
 			const has_attribute = required_attributes.some((name) => attribute_map.has(name));
 			if (!has_attribute) {
-				push_warning(...warn_missing_attribute(node, required_attributes));
+				warn_missing_attribute(node, required_attributes);
 			}
 		}
 	}
@@ -1048,7 +1054,7 @@ function check_element(node, state) {
 			const required_attributes = ['alt', 'aria-label', 'aria-labelledby'];
 			const has_attribute = required_attributes.some((name) => attribute_map.has(name));
 			if (!has_attribute) {
-				push_warning(...warn_missing_attribute(node, required_attributes, 'input type="image"'));
+				warn_missing_attribute(node, required_attributes, 'input type="image"');
 			}
 		}
 		// autocomplete-valid
@@ -1056,7 +1062,11 @@ function check_element(node, state) {
 		if (type && autocomplete) {
 			const autocomplete_value = get_static_value(autocomplete);
 			if (!is_valid_autocomplete(autocomplete_value)) {
-				push_warning(autocomplete, 'a11y-autocomplete-valid', type_value, autocomplete_value);
+				w.a11y_autocomplete_valid(
+					autocomplete,
+					/** @type {string} */ (autocomplete_value),
+					type_value ?? '...'
+				);
 			}
 		}
 	}
@@ -1066,7 +1076,7 @@ function check_element(node, state) {
 		const aria_hidden = get_static_value(attribute_map.get('aria-hidden'));
 		if (alt_attribute && !aria_hidden) {
 			if (/\b(image|picture|photo)\b/i.test(alt_attribute)) {
-				push_warning(node, 'a11y-img-redundant-alt');
+				w.a11y_img_redundant_alt(node);
 			}
 		}
 	}
@@ -1096,7 +1106,7 @@ function check_element(node, state) {
 			return has;
 		};
 		if (!attribute_map.has('for') && !has_input_child(node)) {
-			push_warning(node, 'a11y-label-has-associated-control');
+			w.a11y_label_has_associated_control(node);
 		}
 	}
 
@@ -1118,13 +1128,13 @@ function check_element(node, state) {
 			);
 		}
 		if (!has_caption) {
-			push_warning(node, 'a11y-media-has-caption');
+			w.a11y_media_has_caption(node);
 		}
 	}
 
 	if (node.name === 'figcaption') {
 		if (!is_parent(node.parent, ['figure'])) {
-			push_warning(node, 'a11y-structure', true);
+			w.a11y_figcaption_parent(node);
 		}
 	}
 
@@ -1138,13 +1148,13 @@ function check_element(node, state) {
 			(child) => child.type === 'RegularElement' && child.name === 'figcaption'
 		);
 		if (index !== -1 && index !== 0 && index !== children.length - 1) {
-			push_warning(children[index], 'a11y-structure', false);
+			w.a11y_figcaption_index(children[index]);
 		}
 	}
 
 	if (a11y_distracting_elements.includes(node.name)) {
 		// no-distracting-elements
-		push_warning(node, 'a11y-distracting-elements', node.name);
+		w.a11y_distracting_elements(node, node.name);
 	}
 
 	// Check content
@@ -1154,7 +1164,7 @@ function check_element(node, state) {
 		a11y_required_content.includes(node.name) &&
 		node.fragment.nodes.length === 0
 	) {
-		push_warning(node, 'a11y-missing-content', node.name);
+		w.a11y_missing_content(node, node.name);
 	}
 }
 
diff --git a/packages/svelte/src/compiler/phases/2-analyze/css/css-warn.js b/packages/svelte/src/compiler/phases/2-analyze/css/css-warn.js
index e2d137198b..72f54aec24 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/css/css-warn.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/css/css-warn.js
@@ -1,16 +1,15 @@
 import { walk } from 'zimmerframe';
-import { warn } from '../../../warnings.js';
+import * as w from '../../../warnings.js';
 import { is_keyframes_node } from '../../css.js';
 
 /**
  * @param {import('#compiler').Css.StyleSheet} stylesheet
- * @param {import('../../types.js').RawWarning[]} warnings
  */
-export function warn_unused(stylesheet, warnings) {
-	walk(stylesheet, { warnings, stylesheet }, visitors);
+export function warn_unused(stylesheet) {
+	walk(stylesheet, { stylesheet }, visitors);
 }
 
-/** @type {import('zimmerframe').Visitors<import('#compiler').Css.Node, { warnings: import('../../types.js').RawWarning[], stylesheet: import('#compiler').Css.StyleSheet }>} */
+/** @type {import('zimmerframe').Visitors<import('#compiler').Css.Node, { stylesheet: import('#compiler').Css.StyleSheet }>} */
 const visitors = {
 	Atrule(node, context) {
 		if (!is_keyframes_node(node)) {
@@ -26,7 +25,7 @@ const visitors = {
 		if (!node.metadata.used) {
 			const content = context.state.stylesheet.content;
 			const text = content.styles.substring(node.start - content.start, node.end - content.start);
-			warn(context.state.warnings, node, 'css-unused-selector', text);
+			w.css_unused_selector(node, text);
 		}
 
 		context.next();
diff --git a/packages/svelte/src/compiler/phases/2-analyze/index.js b/packages/svelte/src/compiler/phases/2-analyze/index.js
index d2a331e253..848ea4ebfa 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/index.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/index.js
@@ -1,6 +1,7 @@
 import is_reference from 'is-reference';
 import { walk } from 'zimmerframe';
 import * as e from '../../errors.js';
+import * as w from '../../warnings.js';
 import {
 	extract_identifiers,
 	extract_all_identifiers_from_expression,
@@ -14,7 +15,6 @@ import { ReservedKeywords, Runes, SVGElements } from '../constants.js';
 import { Scope, ScopeRoot, create_scopes, get_rune, set_scope } from '../scope.js';
 import { merge } from '../visitors.js';
 import { validation_legacy, validation_runes, validation_runes_js } from './validation.js';
-import { warn } from '../../warnings.js';
 import check_graph_for_cycles from './utils/check_graph_for_cycles.js';
 import { regex_starts_with_newline } from '../patterns.js';
 import { create_attribute, is_element_node } from '../nodes.js';
@@ -234,16 +234,9 @@ export function analyze_module(ast, options) {
 		}
 	}
 
-	/** @type {import('../types').RawWarning[]} */
-	const warnings = [];
-
-	const analysis = {
-		warnings
-	};
-
 	walk(
 		/** @type {import('estree').Node} */ (ast),
-		{ scope, analysis },
+		{ scope },
 		// @ts-expect-error TODO clean this mess up
 		merge(set_scope(scopes), validation_runes_js, runes_scope_js_tweaker)
 	);
@@ -251,7 +244,6 @@ export function analyze_module(ast, options) {
 	return {
 		module: { ast, scope, scopes },
 		name: options.filename || 'module',
-		warnings,
 		accessors: false,
 		runes: true,
 		immutable: true
@@ -275,9 +267,6 @@ export function analyze_component(root, source, options) {
 	/** @type {import('../types.js').Template} */
 	const template = { ast: root.fragment, scope, scopes };
 
-	/** @type {import('../types').RawWarning[]} */
-	const warnings = [];
-
 	// create synthetic bindings for store subscriptions
 	for (const [name, references] of module.scope.references) {
 		if (name[0] !== '$' || ReservedKeywords.includes(name)) continue;
@@ -331,7 +320,7 @@ export function analyze_component(root, source, options) {
 				} else if (declaration !== null && Runes.includes(/** @type {any} */ (name))) {
 					for (const { node, path } of references) {
 						if (path.at(-1)?.type === 'CallExpression') {
-							warn(warnings, node, 'store-with-rune-name', store_name);
+							w.store_with_rune_name(node, store_name);
 						}
 					}
 				}
@@ -391,7 +380,6 @@ export function analyze_component(root, source, options) {
 		reactive_statements: new Map(),
 		binding_groups: new Map(),
 		slot_names: new Map(),
-		warnings,
 		css: {
 			ast: root.css,
 			hash: root.css
@@ -408,7 +396,7 @@ export function analyze_component(root, source, options) {
 	};
 
 	if (!options.customElement && root.options?.customElement) {
-		warn(analysis.warnings, root.options, 'missing-custom-element-compile-option');
+		w.missing_custom_element_compile_option(root.options);
 	}
 
 	if (analysis.runes) {
@@ -498,7 +486,7 @@ export function analyze_component(root, source, options) {
 					(r) => r.node !== binding.node && r.path.at(-1)?.type !== 'ExportSpecifier'
 				);
 				if (!references.length && !instance.scope.declarations.has(`$${name}`)) {
-					warn(warnings, binding.node, 'unused-export-let', name);
+					w.unused_export_let(binding.node, name);
 				}
 			}
 		}
@@ -538,7 +526,7 @@ export function analyze_component(root, source, options) {
 									type === 'AwaitBlock' ||
 									type === 'KeyBlock'
 								) {
-									warn(warnings, binding.node, 'non-state-reference', name);
+									w.non_state_reference(binding.node, name);
 									continue outer;
 								}
 							}
@@ -546,7 +534,7 @@ export function analyze_component(root, source, options) {
 						}
 					}
 
-					warn(warnings, binding.node, 'non-state-reference', name);
+					w.non_state_reference(binding.node, name);
 					continue outer;
 				}
 			}
@@ -563,9 +551,9 @@ export function analyze_component(root, source, options) {
 
 		if (
 			!analysis.css.ast.content.comment ||
-			!extract_svelte_ignore(analysis.css.ast.content.comment.data).includes('css-unused-selector')
+			!extract_svelte_ignore(analysis.css.ast.content.comment.data).includes('css_unused_selector')
 		) {
-			warn_unused(analysis.css.ast, analysis.warnings);
+			warn_unused(analysis.css.ast);
 		}
 
 		outer: for (const element of analysis.elements) {
@@ -688,7 +676,7 @@ const legacy_scope_tweaker = {
 				(d) => d.scope === state.analysis.module.scope && d.declaration_kind !== 'const'
 			)
 		) {
-			warn(state.analysis.warnings, node, 'module-script-reactive-declaration');
+			w.module_script_reactive_declaration(node);
 		}
 
 		if (
@@ -874,7 +862,7 @@ const legacy_scope_tweaker = {
 	}
 };
 
-/** @type {import('zimmerframe').Visitors<import('#compiler').SvelteNode, { scope: Scope, analysis: { warnings: import('../types').RawWarning[] } }>} */
+/** @type {import('zimmerframe').Visitors<import('#compiler').SvelteNode, { scope: Scope }>} */
 const runes_scope_js_tweaker = {
 	VariableDeclarator(node, { state }) {
 		if (node.init?.type !== 'CallExpression') return;
@@ -1210,7 +1198,7 @@ const common_visitors = {
 					binding.kind === 'derived') &&
 				context.state.function_depth === binding.scope.function_depth
 			) {
-				warn(context.state.analysis.warnings, node, 'static-state-reference');
+				w.static_state_reference(node);
 			}
 		}
 	},
diff --git a/packages/svelte/src/compiler/phases/2-analyze/validation.js b/packages/svelte/src/compiler/phases/2-analyze/validation.js
index f4321b0101..55ae8c64d2 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/validation.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/validation.js
@@ -12,7 +12,7 @@ import {
 	object,
 	unwrap_optional
 } from '../../utils/ast.js';
-import { warn } from '../../warnings.js';
+import * as w from '../../warnings.js';
 import fuzzymatch from '../1-parse/utils/fuzzymatch.js';
 import { binding_properties } from '../bindings.js';
 import {
@@ -67,7 +67,7 @@ function validate_component(node, context) {
 				}
 			}
 
-			validate_attribute_name(attribute, context);
+			validate_attribute_name(attribute);
 
 			if (attribute.name === 'slot') {
 				validate_slot_attribute(context, attribute);
@@ -131,12 +131,7 @@ function validate_element(node, context) {
 					value.name === attribute.name &&
 					!context.state.scope.get(value.name)
 				) {
-					warn(
-						context.state.analysis.warnings,
-						attribute,
-						'global-event-reference',
-						attribute.name
-					);
+					w.global_event_reference(attribute, attribute.name);
 				}
 			}
 
@@ -146,21 +141,15 @@ function validate_element(node, context) {
 			}
 
 			if (attribute.name === 'is' && context.state.options.namespace !== 'foreign') {
-				warn(context.state.analysis.warnings, attribute, 'avoid-is');
+				w.avoid_is(attribute);
 			}
 
 			const correct_name = react_attributes.get(attribute.name);
 			if (correct_name) {
-				warn(
-					context.state.analysis.warnings,
-					attribute,
-					'invalid-html-attribute',
-					attribute.name,
-					correct_name
-				);
+				w.invalid_html_attribute(attribute, attribute.name, correct_name);
 			}
 
-			validate_attribute_name(attribute, context);
+			validate_attribute_name(attribute);
 		} else if (attribute.type === 'AnimateDirective') {
 			const parent = context.path.at(-2);
 			if (parent?.type !== 'EachBlock') {
@@ -224,16 +213,15 @@ function validate_element(node, context) {
 
 /**
  * @param {import('#compiler').Attribute} attribute
- * @param {import('zimmerframe').Context<import('#compiler').SvelteNode, import('./types.js').AnalysisState>} context
  */
-function validate_attribute_name(attribute, context) {
+function validate_attribute_name(attribute) {
 	if (
 		attribute.name.includes(':') &&
 		!attribute.name.startsWith('xmlns:') &&
 		!attribute.name.startsWith('xlink:') &&
 		!attribute.name.startsWith('xml:')
 	) {
-		warn(context.state.analysis.warnings, attribute, 'illegal-attribute-character');
+		w.illegal_attribute_character(attribute);
 	}
 }
 
@@ -311,7 +299,7 @@ function validate_block_not_empty(node, context) {
 	// Assumption: If the block has zero elements, someone's in the middle of typing it out,
 	// so don't warn in that case because it would be distracting.
 	if (node.nodes.length === 1 && node.nodes[0].type === 'Text' && !node.nodes[0].raw.trim()) {
-		warn(context.state.analysis.warnings, node.nodes[0], 'empty-block');
+		w.empty_block(node.nodes[0]);
 	}
 }
 
@@ -372,12 +360,7 @@ const validation = {
 		}
 
 		if (binding?.kind === 'each' && binding.metadata?.inside_rest) {
-			warn(
-				context.state.analysis.warnings,
-				binding.node,
-				'invalid-rest-eachblock-binding',
-				binding.node.name
-			);
+			w.invalid_rest_eachblock_binding(binding.node, binding.node.name);
 		}
 
 		const parent = context.path.at(-1);
@@ -531,7 +514,7 @@ const validation = {
 			binding.declaration_kind === 'import' &&
 			binding.references.length === 0
 		) {
-			warn(context.state.analysis.warnings, node, 'component-name-lowercase', node.name);
+			w.component_name_lowercase(node, node.name);
 		}
 
 		validate_element(node, context);
@@ -570,7 +553,7 @@ const validation = {
 			!VoidElements.includes(node.name) &&
 			!SVGElements.includes(node.name)
 		) {
-			warn(context.state.analysis.warnings, node, 'invalid-self-closing-tag', node.name);
+			w.invalid_self_closing_tag(node, node.name);
 		}
 
 		context.next({
@@ -766,7 +749,7 @@ export const validation_legacy = merge(validation, a11y_validators, {
 			(state.ast_type !== 'instance' ||
 				/** @type {import('#compiler').SvelteNode} */ (path.at(-1)).type !== 'Program')
 		) {
-			warn(state.analysis.warnings, node, 'no-reactive-declaration');
+			w.no_reactive_declaration(node);
 		}
 	},
 	UpdateExpression(node, { state }) {
@@ -969,12 +952,12 @@ export const validation_runes_js = {
 		const allowed_depth = context.state.ast_type === 'module' ? 0 : 1;
 
 		if (context.state.scope.function_depth > allowed_depth) {
-			warn(context.state.analysis.warnings, node, 'avoid-nested-class');
+			w.avoid_nested_class(node);
 		}
 	},
 	NewExpression(node, context) {
 		if (node.callee.type === 'ClassExpression' && context.state.scope.function_depth > 0) {
-			warn(context.state.analysis.warnings, node, 'avoid-inline-class');
+			w.avoid_inline_class(node);
 		}
 	}
 };
@@ -1127,7 +1110,7 @@ export const validation_runes = merge(validation, a11y_validators, {
 
 		if (rune === null) {
 			if (init?.type === 'Identifier' && init.name === '$props' && !state.scope.get('props')) {
-				warn(state.analysis.warnings, node, 'invalid-props-declaration');
+				w.invalid_props_declaration(node);
 			}
 			return;
 		}
@@ -1180,7 +1163,7 @@ export const validation_runes = merge(validation, a11y_validators, {
 				arg.type === 'CallExpression' &&
 				(arg.callee.type === 'ArrowFunctionExpression' || arg.callee.type === 'FunctionExpression')
 			) {
-				warn(state.analysis.warnings, node, 'derived-iife');
+				w.derived_iife(node);
 			}
 		}
 	},
@@ -1190,19 +1173,19 @@ export const validation_runes = merge(validation, a11y_validators, {
 			node.right.name === '$bindable' &&
 			!state.scope.get('bindable')
 		) {
-			warn(state.analysis.warnings, node, 'invalid-bindable-declaration');
+			w.invalid_bindable_declaration(node);
 		}
 	},
 	SlotElement(node, { state }) {
 		if (!state.analysis.custom_element) {
-			warn(state.analysis.warnings, node, 'deprecated-slot-element');
+			w.deprecated_slot_element(node);
 		}
 	},
-	OnDirective(node, { state, path }) {
+	OnDirective(node, { path }) {
 		const parent_type = path.at(-1)?.type;
 		// Don't warn on component events; these might not be under the author's control so the warning would be unactionable
 		if (parent_type === 'RegularElement' || parent_type === 'SvelteElement') {
-			warn(state.analysis.warnings, node, 'deprecated-event-handler', node.name);
+			w.deprecated_event_handler(node, node.name);
 		}
 	},
 	// TODO this is a code smell. need to refactor this stuff
diff --git a/packages/svelte/src/compiler/phases/3-transform/index.js b/packages/svelte/src/compiler/phases/3-transform/index.js
index 2334b3318d..2c4adb3dc8 100644
--- a/packages/svelte/src/compiler/phases/3-transform/index.js
+++ b/packages/svelte/src/compiler/phases/3-transform/index.js
@@ -17,7 +17,7 @@ export function transform_component(analysis, source, options) {
 		return {
 			js: /** @type {any} */ (null),
 			css: null,
-			warnings: transform_warnings(source, options.filename, analysis.warnings),
+			warnings: /** @type {any} */ (null), // set afterwards
 			metadata: {
 				runes: analysis.runes
 			},
@@ -60,7 +60,7 @@ export function transform_component(analysis, source, options) {
 	return {
 		js,
 		css,
-		warnings: transform_warnings(source, options.filename, analysis.warnings), // TODO apply preprocessor sourcemap
+		warnings: /** @type {any} */ (null), // set afterwards. TODO apply preprocessor sourcemap
 		metadata: {
 			runes: analysis.runes
 		},
@@ -79,7 +79,7 @@ export function transform_module(analysis, source, options) {
 		return {
 			js: /** @type {any} */ (null),
 			css: null,
-			warnings: transform_warnings(source, analysis.name, analysis.warnings),
+			warnings: /** @type {any} */ (null), // set afterwards
 			metadata: {
 				runes: true
 			},
@@ -105,45 +105,10 @@ export function transform_module(analysis, source, options) {
 	return {
 		js: print(program, {}),
 		css: null,
-		warnings: transform_warnings(source, analysis.name, analysis.warnings),
 		metadata: {
 			runes: true
 		},
+		warnings: /** @type {any} */ (null), // set afterwards
 		ast: /** @type {any} */ (null) // set afterwards
 	};
 }
-
-/**
- * @param {string} source
- * @param {string | undefined} name
- * @param {import('../types').RawWarning[]} warnings
- * @returns {import('#compiler').Warning[]}
- */
-function transform_warnings(source, name, warnings) {
-	if (warnings.length === 0) return [];
-
-	const locate = getLocator(source, { offsetLine: 1 });
-
-	/** @type {import('#compiler').Warning[]} */
-	const result = [];
-
-	for (const warning of warnings) {
-		const start =
-			warning.position &&
-			/** @type {import('locate-character').Location} */ (locate(warning.position[0]));
-
-		const end =
-			warning.position &&
-			/** @type {import('locate-character').Location} */ (locate(warning.position[1]));
-
-		result.push({
-			start,
-			end,
-			filename: name,
-			message: warning.message,
-			code: warning.code
-		});
-	}
-
-	return result;
-}
diff --git a/packages/svelte/src/compiler/phases/types.d.ts b/packages/svelte/src/compiler/phases/types.d.ts
index 91fd68ca39..c2ece7d7fd 100644
--- a/packages/svelte/src/compiler/phases/types.d.ts
+++ b/packages/svelte/src/compiler/phases/types.d.ts
@@ -6,7 +6,8 @@ import type {
 	SlotElement,
 	SvelteElement,
 	SvelteNode,
-	SvelteOptions
+	SvelteOptions,
+	Warning
 } from '#compiler';
 import type { Identifier, LabeledStatement, Program } from 'estree';
 import type { Scope, ScopeRoot } from './scope.js';
@@ -28,19 +29,12 @@ export interface ReactiveStatement {
 	dependencies: Binding[];
 }
 
-export interface RawWarning {
-	code: string;
-	message: string;
-	position: [number, number] | undefined;
-}
-
 /**
  * Analysis common to modules and components
  */
 export interface Analysis {
 	module: Js;
 	name: string; // TODO should this be filename? it's used in `compileModule` as well as `compile`
-	warnings: RawWarning[];
 	runes: boolean;
 	immutable: boolean;
 
diff --git a/packages/svelte/src/compiler/utils/string.js b/packages/svelte/src/compiler/utils/string.js
new file mode 100644
index 0000000000..42eefa993b
--- /dev/null
+++ b/packages/svelte/src/compiler/utils/string.js
@@ -0,0 +1,9 @@
+/**
+ * @param {string[]} strings
+ * @param {string} conjunction
+ */
+export function list(strings, conjunction = 'or') {
+	if (strings.length === 1) return strings[0];
+	if (strings.length === 2) return `${strings[0]} ${conjunction} ${strings[1]}`;
+	return `${strings.slice(0, -1).join(', ')} ${conjunction} ${strings[strings.length - 1]}`;
+}
diff --git a/packages/svelte/src/compiler/warnings.js b/packages/svelte/src/compiler/warnings.js
index 3983d3686e..1e71aa51a6 100644
--- a/packages/svelte/src/compiler/warnings.js
+++ b/packages/svelte/src/compiler/warnings.js
@@ -1,294 +1,628 @@
-/** @typedef {Record<string, (...args: any[]) => string>} Warnings */
-
-/** @satisfies {Warnings} */
-const css = {
-	/** @param {string} name */
-	'css-unused-selector': (name) => `Unused CSS selector "${name}"`
-};
-
-/** @satisfies {Warnings} */
-const attributes = {
-	'avoid-is': () => 'The "is" attribute is not supported cross-browser and should be avoided',
-	/** @param {string} name */
-	'global-event-reference': (name) =>
-		`You are referencing globalThis.${name}. Did you forget to declare a variable with that name?`,
-	'illegal-attribute-character': () =>
-		"Attributes should not contain ':' characters to prevent ambiguity with Svelte directives",
-	/**
-	 * @param {string} wrong
-	 * @param {string} right
-	 */
-	'invalid-html-attribute': (wrong, right) =>
-		`'${wrong}' is not a valid HTML attribute. Did you mean '${right}'?`
-};
-
-/** @satisfies {Warnings} */
-const runes = {
-	/** @param {string} name */
-	'store-with-rune-name': (name) =>
-		`It looks like you're using the $${name} rune, but there is a local binding called ${name}. ` +
-		`Referencing a local variable with a $ prefix will create a store subscription. Please rename ${name} to avoid the ambiguity.`,
-	/** @param {string} name */
-	'non-state-reference': (name) =>
-		`${name} is updated, but is not declared with $state(...). Changing its value will not correctly trigger updates.`,
-	'derived-iife': () =>
-		`Use \`$derived.by(() => {...})\` instead of \`$derived((() => {...})());\``,
-	'invalid-props-declaration': () =>
-		`Component properties are declared using $props() in runes mode. Did you forget to call the function?`,
-	'invalid-bindable-declaration': () =>
-		`Bindable component properties are declared using $bindable() in runes mode. Did you forget to call the function?`
-};
-
-/** @satisfies {Warnings} */
-const a11y = {
-	/** @param {string} name */
-	'a11y-aria-attributes': (name) => `A11y: <${name}> should not have aria-* attributes`,
-	/**
-	 * @param {string} attribute
-	 * @param {string | null} [suggestion]
-	 */
-	'a11y-unknown-aria-attribute': (attribute, suggestion) =>
-		`A11y: Unknown aria attribute 'aria-${attribute}'` +
-		(suggestion ? ` (did you mean '${suggestion}'?)` : ''),
-	/** @param {string} name */
-	'a11y-hidden': (name) => `A11y: <${name}> element should not be hidden`,
-	/**
-	 * @param {import('aria-query').ARIAPropertyDefinition} schema
-	 * @param {string} attribute
-	 */
-	'a11y-incorrect-aria-attribute-type': (schema, attribute) => {
-		let message;
-		switch (schema.type) {
-			case 'boolean':
-				message = `The value of '${attribute}' must be exactly one of true or false`;
-				break;
-			case 'id':
-				message = `The value of '${attribute}' must be a string that represents a DOM element ID`;
-				break;
-			case 'idlist':
-				message = `The value of '${attribute}' must be a space-separated list of strings that represent DOM element IDs`;
-				break;
-			case 'tristate':
-				message = `The value of '${attribute}' must be exactly one of true, false, or mixed`;
-				break;
-			case 'token':
-				message = `The value of '${attribute}' must be exactly one of ${(schema.values || []).join(
-					', '
-				)}`;
-				break;
-			case 'tokenlist':
-				message = `The value of '${attribute}' must be a space-separated list of one or more of ${(
-					schema.values || []
-				).join(', ')}`;
-				break;
-			default:
-				message = `The value of '${attribute}' must be of type ${schema.type}`;
-		}
-		return `A11y: ${message}`;
-	},
-	'a11y-aria-activedescendant-has-tabindex': () =>
-		'A11y: Elements with attribute aria-activedescendant should have tabindex value',
-	/** @param {string} name */
-	'a11y-misplaced-role': (name) => `A11y: <${name}> should not have role attribute`,
-	/** @param {string | boolean} role */
-	'a11y-no-abstract-role': (role) => `A11y: Abstract role '${role}' is forbidden`,
-	/**
-	 * @param {string | boolean} role
-	 * @param {string | null} [suggestion]
-	 */
-	'a11y-unknown-role': (role, suggestion) =>
-		`A11y: Unknown role '${role}'` + (suggestion ? ` (did you mean '${suggestion}'?)` : ''),
-	/** @param {string | boolean} role */
-	'a11y-no-redundant-roles': (role) => `A11y: Redundant role '${role}'`,
-	/**
-	 * @param {string} role
-	 * @param {string[]} props
-	 */
-	'a11y-role-has-required-aria-props': (role, props) =>
-		`A11y: Elements with the ARIA role "${role}" must have the following attributes defined: ${props
-			.map((name) => `"${name}"`)
-			.join(', ')}`,
-	/** @param {string} role */
-	'a11y-interactive-supports-focus': (role) =>
-		`A11y: Elements with the '${role}' interactive role must have a tabindex value.`,
-	/**
-	 * @param {string | boolean} role
-	 * @param {string} element
-	 */
-	'a11y-no-interactive-element-to-noninteractive-role': (role, element) =>
-		`A11y: <${element}> cannot have role '${role}'`,
-	/**
-	 * @param {string | boolean} role
-	 * @param {string} element
-	 */
-	'a11y-no-noninteractive-element-to-interactive-role': (role, element) =>
-		`A11y: Non-interactive element <${element}> cannot have interactive role '${role}'`,
-	'a11y-accesskey': () => 'A11y: Avoid using accesskey',
-	'a11y-autofocus': () => 'A11y: Avoid using autofocus',
-	'a11y-misplaced-scope': () => 'A11y: The scope attribute should only be used with <th> elements',
-	'a11y-positive-tabindex': () => 'A11y: avoid tabindex values above zero',
-	'a11y-click-events-have-key-events': () =>
-		'A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type="button"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.',
-	'a11y-no-noninteractive-tabindex': () =>
-		'A11y: noninteractive element cannot have nonnegative tabIndex value',
-	/**
-	 * @param {string} attribute
-	 * @param {string} role
-	 * @param {boolean} is_implicit
-	 * @param {string} name
-	 */
-	'a11y-role-supports-aria-props': (attribute, role, is_implicit, name) => {
-		let message = `The attribute '${attribute}' is not supported by the role '${role}'.`;
-		if (is_implicit) {
-			message += ` This role is implicit on the element <${name}>.`;
-		}
-		return `A11y: ${message}`;
-	},
-	/** @param {string} element */
-	'a11y-no-noninteractive-element-interactions': (element) =>
-		`A11y: Non-interactive element <${element}> should not be assigned mouse or keyboard event listeners.`,
-	/**
-	 * @param {string} element
-	 * @param {string[]} handlers
-	 */
-	'a11y-no-static-element-interactions': (element, handlers) =>
-		`A11y: <${element}> with ${handlers.join(', ')} ${
-			handlers.length === 1 ? 'handler' : 'handlers'
-		} must have an ARIA role`,
-	/**
-	 * @param {string} href_attribute
-	 * @param {string} href_value
-	 */
-	'a11y-invalid-attribute': (href_attribute, href_value) =>
-		`A11y: '${href_value}' is not a valid ${href_attribute} attribute`,
-	/**
-	 * @param {string} name
-	 * @param {string} article
-	 * @param {string} sequence
-	 */
-	'a11y-missing-attribute': (name, article, sequence) =>
-		`A11y: <${name}> element should have ${article} ${sequence} attribute`,
-	/**
-	 * @param {null | true | string} type
-	 * @param {null | true | string} value
-	 */
-	'a11y-autocomplete-valid': (type, value) =>
-		`A11y: The value '${value}' is not supported by the attribute 'autocomplete' on element <input type="${
-			type || '...'
-		}">`,
-	'a11y-img-redundant-alt': () =>
-		'A11y: Screenreaders already announce <img> elements as an image.',
-	'a11y-label-has-associated-control': () =>
-		'A11y: A form label must be associated with a control.',
-	'a11y-media-has-caption': () => 'A11y: <video> elements must have a <track kind="captions">',
-	/** @param {string} name */
-	'a11y-distracting-elements': (name) => `A11y: Avoid <${name}> elements`,
-	/** @param {boolean} immediate */
-	'a11y-structure': (immediate) =>
-		immediate
-			? 'A11y: <figcaption> must be an immediate child of <figure>'
-			: 'A11y: <figcaption> must be first or last child of <figure>',
-	/**
-	 * @param {string} event
-	 * @param {string} accompanied_by
-	 */
-	'a11y-mouse-events-have-key-events': (event, accompanied_by) =>
-		`A11y: '${event}' event must be accompanied by '${accompanied_by}' event`,
-	/** @param {string} name */
-	'a11y-missing-content': (name) => `A11y: <${name}> element should have child content`
-};
-
-/** @satisfies {Warnings} */
-const state = {
-	'static-state-reference': () =>
-		`State referenced in its own scope will never update. Did you mean to reference it inside a closure?`,
-	/** @param {string} name */
-	'invalid-rest-eachblock-binding': (name) =>
-		`The rest operator (...) will create a new object and binding '${name}' with the original object will not work`
-};
-
-/** @satisfies {Warnings} */
-const performance = {
-	'avoid-inline-class': () =>
-		`Avoid 'new class' — instead, declare the class at the top level scope`,
-	'avoid-nested-class': () => `Avoid declaring classes below the top level scope`
-};
-
-/** @satisfies {Warnings} */
-const components = {
-	/** @param {string} name */
-	'component-name-lowercase': (name) =>
-		`<${name}> will be treated as an HTML element unless it begins with a capital letter`
-};
-
-const legacy = {
-	'no-reactive-declaration': () =>
-		`Reactive declarations only exist at the top level of the instance script`,
-	'module-script-reactive-declaration': () =>
-		'All dependencies of the reactive declaration are declared in a module script and will not be reactive',
-	/** @param {string} name */
-	'unused-export-let': (name) =>
-		`Component has unused export property '${name}'. If it is for external reference only, please consider using \`export const ${name}\``,
-	'deprecated-slot-element': () =>
-		`Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.`,
-	/** @param {string} name */
-	'deprecated-event-handler': (name) =>
-		`Using on:${name} to listen to the ${name} event is is deprecated. Use the event attribute on${name} instead.`
-};
-
-const block = {
-	'empty-block': () => 'Empty block'
-};
-
-const options = {
-	'missing-custom-element-compile-option': () =>
-		"The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?"
-};
-
-const misc = {
-	/** @param {string} name */
-	'invalid-self-closing-tag': (name) =>
-		`Self-closing HTML tags for non-void elements are ambiguous — use <${name} ...></${name}> rather than <${name} ... />`
-};
-
-/** @satisfies {Warnings} */
-const warnings = {
-	...css,
-	...attributes,
-	...runes,
-	...a11y,
-	...performance,
-	...state,
-	...components,
-	...legacy,
-	...block,
-	...options,
-	...misc
-};
-
-/** @typedef {typeof warnings} AllWarnings */
-
-/**
- * @template {keyof AllWarnings} T
- * @param {import('./phases/types').RawWarning[]} array the array to push the warning to, if not ignored
- * @param {{ start?: number, end?: number, type?: string, parent?: import('#compiler').SvelteNode | null, leadingComments?: import('estree').Comment[] } | null} node the node related to the warning
- * @param {T} code the warning code
- * @param  {Parameters<AllWarnings[T]>} args the arguments to pass to the warning function
- * @returns {void}
- */
-export function warn(array, node, code, ...args) {
-	// @ts-expect-error
-	if (node.ignores?.has(code)) return;
+/* This file is generated by scripts/process-messages.js. Do not edit! */
+
+import { getLocator } from 'locate-character';
 
-	const fn = warnings[code];
+/** @typedef {{ start?: number, end?: number }} NodeLike */
+/** @type {import('#compiler').Warning[]} */
+let warnings = [];
+/** @type {string | undefined} */
+let filename;
+let locator = getLocator('', { offsetLine: 1 });
 
-	const start = node?.start;
-	const end = node?.end;
+/**
+ * @param {{
+ *   source: string;
+ *   filename: string | undefined;
+ * }} options
+ * @returns {import('#compiler').Warning[]}
+ */
+export function reset_warnings(options) {
+	filename = options.filename;
+	locator = getLocator(options.source, { offsetLine: 1 });
+	return warnings = [];
+}
+
+/**
+ * @param {null | NodeLike} node
+ * @param {string} code
+ * @param {string} message
+ */
+function w(node, code, message) {
+	// @ts-expect-error
+	if (node.ignores?.has(code)) return;
 
-	array.push({
+	warnings.push({
 		code,
-		// @ts-expect-error
-		message: fn(...args),
-		position: start !== undefined && end !== undefined ? [start, end] : undefined
+		message,
+		filename,
+		start: node?.start !== undefined ? locator(node.start) : undefined,
+		end: node?.end !== undefined ? locator(node.end) : undefined
 	});
 }
+
+/**
+ * <%name%> should not have aria-* attributes
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function a11y_aria_attributes(node, name) {
+	w(node, "a11y_aria_attributes", `<${name}> should not have aria-* attributes`);
+}
+
+/**
+ * Unknown aria attribute 'aria-%attribute%'
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_unknown_aria_attribute(node, attribute) {
+	w(node, "a11y_unknown_aria_attribute", `Unknown aria attribute 'aria-${attribute}'`);
+}
+
+/**
+ * Unknown aria attribute 'aria-%attribute%'. Did you mean '%suggestion%'?
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} suggestion
+ */
+export function a11y_unknown_aria_attribute_suggestion(node, attribute, suggestion) {
+	w(node, "a11y_unknown_aria_attribute_suggestion", `Unknown aria attribute 'aria-${attribute}'. Did you mean '${suggestion}'?`);
+}
+
+/**
+ * <%name%> element should not be hidden
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function a11y_hidden(node, name) {
+	w(node, "a11y_hidden", `<${name}> element should not be hidden`);
+}
+
+/**
+ * The value of '%attribute%' must be either 'true' or 'false'
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_incorrect_aria_attribute_type_boolean(node, attribute) {
+	w(node, "a11y_incorrect_aria_attribute_type_boolean", `The value of '${attribute}' must be either 'true' or 'false'`);
+}
+
+/**
+ * The value of '%attribute%' must be an integer
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_incorrect_aria_attribute_type_integer(node, attribute) {
+	w(node, "a11y_incorrect_aria_attribute_type_integer", `The value of '${attribute}' must be an integer`);
+}
+
+/**
+ * The value of '%attribute%' must be a string that represents a DOM element ID
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_incorrect_aria_attribute_type_id(node, attribute) {
+	w(node, "a11y_incorrect_aria_attribute_type_id", `The value of '${attribute}' must be a string that represents a DOM element ID`);
+}
+
+/**
+ * The value of '%attribute%' must be a space-separated list of strings that represent DOM element IDs
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_incorrect_aria_attribute_type_idlist(node, attribute) {
+	w(node, "a11y_incorrect_aria_attribute_type_idlist", `The value of '${attribute}' must be a space-separated list of strings that represent DOM element IDs`);
+}
+
+/**
+ * The value of '%attribute%' must be exactly one of true, false, or mixed
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ */
+export function a11y_incorrect_aria_attribute_type_tristate(node, attribute) {
+	w(node, "a11y_incorrect_aria_attribute_type_tristate", `The value of '${attribute}' must be exactly one of true, false, or mixed`);
+}
+
+/**
+ * The value of '%attribute%' must be exactly one of %values%
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} values
+ */
+export function a11y_incorrect_aria_attribute_type_token(node, attribute, values) {
+	w(node, "a11y_incorrect_aria_attribute_type_token", `The value of '${attribute}' must be exactly one of ${values}`);
+}
+
+/**
+ * The value of '%attribute%' must be a space-separated list of one or more of %values%
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} values
+ */
+export function a11y_incorrect_aria_attribute_type_tokenlist(node, attribute, values) {
+	w(node, "a11y_incorrect_aria_attribute_type_tokenlist", `The value of '${attribute}' must be a space-separated list of one or more of ${values}`);
+}
+
+/**
+ * The value of '%attribute%' must be of type %type%
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} type
+ */
+export function a11y_incorrect_aria_attribute_type(node, attribute, type) {
+	w(node, "a11y_incorrect_aria_attribute_type", `The value of '${attribute}' must be of type ${type}`);
+}
+
+/**
+ * Elements with attribute aria-activedescendant should have tabindex value
+ * @param {null | NodeLike} node
+ */
+export function a11y_aria_activedescendant_has_tabindex(node) {
+	w(node, "a11y_aria_activedescendant_has_tabindex", "Elements with attribute aria-activedescendant should have tabindex value");
+}
+
+/**
+ * <%name%> should not have role attribute
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function a11y_misplaced_role(node, name) {
+	w(node, "a11y_misplaced_role", `<${name}> should not have role attribute`);
+}
+
+/**
+ * Abstract role '%role%' is forbidden
+ * @param {null | NodeLike} node
+ * @param {string} role
+ */
+export function a11y_no_abstract_role(node, role) {
+	w(node, "a11y_no_abstract_role", `Abstract role '${role}' is forbidden`);
+}
+
+/**
+ * Unknown role '%role%'
+ * @param {null | NodeLike} node
+ * @param {string} role
+ */
+export function a11y_unknown_role(node, role) {
+	w(node, "a11y_unknown_role", `Unknown role '${role}'`);
+}
+
+/**
+ * Unknown role '%role%'. Did you mean '%suggestion%'?
+ * @param {null | NodeLike} node
+ * @param {string} role
+ * @param {string} suggestion
+ */
+export function a11y_unknown_role_suggestion(node, role, suggestion) {
+	w(node, "a11y_unknown_role_suggestion", `Unknown role '${role}'. Did you mean '${suggestion}'?`);
+}
+
+/**
+ * Redundant role '%role%'
+ * @param {null | NodeLike} node
+ * @param {string} role
+ */
+export function a11y_no_redundant_roles(node, role) {
+	w(node, "a11y_no_redundant_roles", `Redundant role '${role}'`);
+}
+
+/**
+ * Elements with the ARIA role "%role%" must have the following attributes defined: %props%
+ * @param {null | NodeLike} node
+ * @param {string} role
+ * @param {string} props
+ */
+export function a11y_role_has_required_aria_props(node, role, props) {
+	w(node, "a11y_role_has_required_aria_props", `Elements with the ARIA role "${role}" must have the following attributes defined: ${props}`);
+}
+
+/**
+ * Elements with the '%role%' interactive role must have a tabindex value.
+ * @param {null | NodeLike} node
+ * @param {string} role
+ */
+export function a11y_interactive_supports_focus(node, role) {
+	w(node, "a11y_interactive_supports_focus", `Elements with the '${role}' interactive role must have a tabindex value.`);
+}
+
+/**
+ * <%element%> cannot have role '%role%'
+ * @param {null | NodeLike} node
+ * @param {string} element
+ * @param {string} role
+ */
+export function a11y_no_interactive_element_to_noninteractive_role(node, element, role) {
+	w(node, "a11y_no_interactive_element_to_noninteractive_role", `<${element}> cannot have role '${role}'`);
+}
+
+/**
+ * Non-interactive element <%element%> cannot have interactive role '%role%'
+ * @param {null | NodeLike} node
+ * @param {string} element
+ * @param {string} role
+ */
+export function a11y_no_noninteractive_element_to_interactive_role(node, element, role) {
+	w(node, "a11y_no_noninteractive_element_to_interactive_role", `Non-interactive element <${element}> cannot have interactive role '${role}'`);
+}
+
+/**
+ * Avoid using accesskey
+ * @param {null | NodeLike} node
+ */
+export function a11y_accesskey(node) {
+	w(node, "a11y_accesskey", "Avoid using accesskey");
+}
+
+/**
+ * Avoid using autofocus
+ * @param {null | NodeLike} node
+ */
+export function a11y_autofocus(node) {
+	w(node, "a11y_autofocus", "Avoid using autofocus");
+}
+
+/**
+ * The scope attribute should only be used with <th> elements
+ * @param {null | NodeLike} node
+ */
+export function a11y_misplaced_scope(node) {
+	w(node, "a11y_misplaced_scope", "The scope attribute should only be used with <th> elements");
+}
+
+/**
+ * Avoid tabindex values above zero
+ * @param {null | NodeLike} node
+ */
+export function a11y_positive_tabindex(node) {
+	w(node, "a11y_positive_tabindex", "Avoid tabindex values above zero");
+}
+
+/**
+ * Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type="button"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.
+ * @param {null | NodeLike} node
+ */
+export function a11y_click_events_have_key_events(node) {
+	w(node, "a11y_click_events_have_key_events", "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.");
+}
+
+/**
+ * noninteractive element cannot have nonnegative tabIndex value
+ * @param {null | NodeLike} node
+ */
+export function a11y_no_noninteractive_tabindex(node) {
+	w(node, "a11y_no_noninteractive_tabindex", "noninteractive element cannot have nonnegative tabIndex value");
+}
+
+/**
+ * The attribute '%attribute%' is not supported by the role '%role%'
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} role
+ */
+export function a11y_role_supports_aria_props(node, attribute, role) {
+	w(node, "a11y_role_supports_aria_props", `The attribute '${attribute}' is not supported by the role '${role}'`);
+}
+
+/**
+ * The attribute '%attribute%' is not supported by the role '%role%'. This role is implicit on the element <%name%>
+ * @param {null | NodeLike} node
+ * @param {string} attribute
+ * @param {string} role
+ * @param {string} name
+ */
+export function a11y_role_supports_aria_props_implicit(node, attribute, role, name) {
+	w(node, "a11y_role_supports_aria_props_implicit", `The attribute '${attribute}' is not supported by the role '${role}'. This role is implicit on the element <${name}>`);
+}
+
+/**
+ * Non-interactive element <%element%> should not be assigned mouse or keyboard event listeners.
+ * @param {null | NodeLike} node
+ * @param {string} element
+ */
+export function a11y_no_noninteractive_element_interactions(node, element) {
+	w(node, "a11y_no_noninteractive_element_interactions", `Non-interactive element <${element}> should not be assigned mouse or keyboard event listeners.`);
+}
+
+/**
+ * <%element%> with a %handler% handler must have an ARIA role
+ * @param {null | NodeLike} node
+ * @param {string} element
+ * @param {string} handler
+ */
+export function a11y_no_static_element_interactions(node, element, handler) {
+	w(node, "a11y_no_static_element_interactions", `<${element}> with a ${handler} handler must have an ARIA role`);
+}
+
+/**
+ * '%href_value%' is not a valid %href_attribute% attribute
+ * @param {null | NodeLike} node
+ * @param {string} href_value
+ * @param {string} href_attribute
+ */
+export function a11y_invalid_attribute(node, href_value, href_attribute) {
+	w(node, "a11y_invalid_attribute", `'${href_value}' is not a valid ${href_attribute} attribute`);
+}
+
+/**
+ * <%name%> element should have %article% %sequence% attribute
+ * @param {null | NodeLike} node
+ * @param {string} name
+ * @param {string} article
+ * @param {string} sequence
+ */
+export function a11y_missing_attribute(node, name, article, sequence) {
+	w(node, "a11y_missing_attribute", `<${name}> element should have ${article} ${sequence} attribute`);
+}
+
+/**
+ * The value '%value%' is not supported by the attribute 'autocomplete' on element <input type="%type%">
+ * @param {null | NodeLike} node
+ * @param {string} value
+ * @param {string} type
+ */
+export function a11y_autocomplete_valid(node, value, type) {
+	w(node, "a11y_autocomplete_valid", `The value '${value}' is not supported by the attribute 'autocomplete' on element <input type="${type}">`);
+}
+
+/**
+ * Screenreaders already announce <img> elements as an image.
+ * @param {null | NodeLike} node
+ */
+export function a11y_img_redundant_alt(node) {
+	w(node, "a11y_img_redundant_alt", "Screenreaders already announce <img> elements as an image.");
+}
+
+/**
+ * A form label must be associated with a control.
+ * @param {null | NodeLike} node
+ */
+export function a11y_label_has_associated_control(node) {
+	w(node, "a11y_label_has_associated_control", "A form label must be associated with a control.");
+}
+
+/**
+ * <video> elements must have a <track kind="captions">
+ * @param {null | NodeLike} node
+ */
+export function a11y_media_has_caption(node) {
+	w(node, "a11y_media_has_caption", "<video> elements must have a <track kind=\"captions\">");
+}
+
+/**
+ * Avoid <%name%> elements
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function a11y_distracting_elements(node, name) {
+	w(node, "a11y_distracting_elements", `Avoid <${name}> elements`);
+}
+
+/**
+ * `<figcaption>` must be an immediate child of `<figure>`
+ * @param {null | NodeLike} node
+ */
+export function a11y_figcaption_parent(node) {
+	w(node, "a11y_figcaption_parent", "`<figcaption>` must be an immediate child of `<figure>`");
+}
+
+/**
+ * `<figcaption>` must be first or last child of `<figure>`
+ * @param {null | NodeLike} node
+ */
+export function a11y_figcaption_index(node) {
+	w(node, "a11y_figcaption_index", "`<figcaption>` must be first or last child of `<figure>`");
+}
+
+/**
+ * '%event%' event must be accompanied by '%accompanied_by%' event
+ * @param {null | NodeLike} node
+ * @param {string} event
+ * @param {string} accompanied_by
+ */
+export function a11y_mouse_events_have_key_events(node, event, accompanied_by) {
+	w(node, "a11y_mouse_events_have_key_events", `'${event}' event must be accompanied by '${accompanied_by}' event`);
+}
+
+/**
+ * <%name%> element should have child content
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function a11y_missing_content(node, name) {
+	w(node, "a11y_missing_content", `<${name}> element should have child content`);
+}
+
+/**
+ * The "is" attribute is not supported cross-browser and should be avoided
+ * @param {null | NodeLike} node
+ */
+export function avoid_is(node) {
+	w(node, "avoid_is", "The \"is\" attribute is not supported cross-browser and should be avoided");
+}
+
+/**
+ * You are referencing globalThis.%name%. Did you forget to declare a variable with that name?
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function global_event_reference(node, name) {
+	w(node, "global_event_reference", `You are referencing globalThis.${name}. Did you forget to declare a variable with that name?`);
+}
+
+/**
+ * Attributes should not contain ':' characters to prevent ambiguity with Svelte directives
+ * @param {null | NodeLike} node
+ */
+export function illegal_attribute_character(node) {
+	w(node, "illegal_attribute_character", "Attributes should not contain ':' characters to prevent ambiguity with Svelte directives");
+}
+
+/**
+ * '%wrong%' is not a valid HTML attribute. Did you mean '%right%'?
+ * @param {null | NodeLike} node
+ * @param {string} wrong
+ * @param {string} right
+ */
+export function invalid_html_attribute(node, wrong, right) {
+	w(node, "invalid_html_attribute", `'${wrong}' is not a valid HTML attribute. Did you mean '${right}'?`);
+}
+
+/**
+ * Empty block
+ * @param {null | NodeLike} node
+ */
+export function empty_block(node) {
+	w(node, "empty_block", "Empty block");
+}
+
+/**
+ * <%name%> will be treated as an HTML element unless it begins with a capital letter
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function component_name_lowercase(node, name) {
+	w(node, "component_name_lowercase", `<${name}> will be treated as an HTML element unless it begins with a capital letter`);
+}
+
+/**
+ * Unused CSS selector "%name%"
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function css_unused_selector(node, name) {
+	w(node, "css_unused_selector", `Unused CSS selector "${name}"`);
+}
+
+/**
+ * Reactive declarations only exist at the top level of the instance script
+ * @param {null | NodeLike} node
+ */
+export function no_reactive_declaration(node) {
+	w(node, "no_reactive_declaration", "Reactive declarations only exist at the top level of the instance script");
+}
+
+/**
+ * All dependencies of the reactive declaration are declared in a module script and will not be reactive
+ * @param {null | NodeLike} node
+ */
+export function module_script_reactive_declaration(node) {
+	w(node, "module_script_reactive_declaration", "All dependencies of the reactive declaration are declared in a module script and will not be reactive");
+}
+
+/**
+ * Component has unused export property '%name%'. If it is for external reference only, please consider using `export const %name%`
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function unused_export_let(node, name) {
+	w(node, "unused_export_let", `Component has unused export property '${name}'. If it is for external reference only, please consider using \`export const ${name}\``);
+}
+
+/**
+ * Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.
+ * @param {null | NodeLike} node
+ */
+export function deprecated_slot_element(node) {
+	w(node, "deprecated_slot_element", "Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.");
+}
+
+/**
+ * Using on:%name% to listen to the %name% event is is deprecated. Use the event attribute on%name% instead.
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function deprecated_event_handler(node, name) {
+	w(node, "deprecated_event_handler", `Using on:${name} to listen to the ${name} event is is deprecated. Use the event attribute on${name} instead.`);
+}
+
+/**
+ * Self-closing HTML tags for non-void elements are ambiguous — use <%name% ...></%name%> rather than <%name% ... />
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function invalid_self_closing_tag(node, name) {
+	w(node, "invalid_self_closing_tag", `Self-closing HTML tags for non-void elements are ambiguous — use <${name} ...></${name}> rather than <${name} ... />`);
+}
+
+/**
+ * The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?
+ * @param {null | NodeLike} node
+ */
+export function missing_custom_element_compile_option(node) {
+	w(node, "missing_custom_element_compile_option", "The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?");
+}
+
+/**
+ * Avoid 'new class' — instead, declare the class at the top level scope
+ * @param {null | NodeLike} node
+ */
+export function avoid_inline_class(node) {
+	w(node, "avoid_inline_class", "Avoid 'new class' — instead, declare the class at the top level scope");
+}
+
+/**
+ * Avoid declaring classes below the top level scope
+ * @param {null | NodeLike} node
+ */
+export function avoid_nested_class(node) {
+	w(node, "avoid_nested_class", "Avoid declaring classes below the top level scope");
+}
+
+/**
+ * It looks like you're using the `$%name%` rune, but there is a local binding called `%name%`. Referencing a local variable with a `$` prefix will create a store subscription. Please rename `%name%` to avoid the ambiguity
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function store_with_rune_name(node, name) {
+	w(node, "store_with_rune_name", `It looks like you're using the \`$${name}\` rune, but there is a local binding called \`${name}\`. Referencing a local variable with a \`$\` prefix will create a store subscription. Please rename \`${name}\` to avoid the ambiguity`);
+}
+
+/**
+ * `%name%` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function non_state_reference(node, name) {
+	w(node, "non_state_reference", `\`${name}\` is updated, but is not declared with \`$state(...)\`. Changing its value will not correctly trigger updates`);
+}
+
+/**
+ * Use `$derived.by(() => {...})` instead of `$derived((() => {...})())`
+ * @param {null | NodeLike} node
+ */
+export function derived_iife(node) {
+	w(node, "derived_iife", "Use `$derived.by(() => {...})` instead of `$derived((() => {...})())`");
+}
+
+/**
+ * Component properties are declared using `$props()` in runes mode. Did you forget to call the function?
+ * @param {null | NodeLike} node
+ */
+export function invalid_props_declaration(node) {
+	w(node, "invalid_props_declaration", "Component properties are declared using `$props()` in runes mode. Did you forget to call the function?");
+}
+
+/**
+ * Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?
+ * @param {null | NodeLike} node
+ */
+export function invalid_bindable_declaration(node) {
+	w(node, "invalid_bindable_declaration", "Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?");
+}
+
+/**
+ * State referenced in its own scope will never update. Did you mean to reference it inside a closure?
+ * @param {null | NodeLike} node
+ */
+export function static_state_reference(node) {
+	w(node, "static_state_reference", "State referenced in its own scope will never update. Did you mean to reference it inside a closure?");
+}
+
+/**
+ * The rest operator (...) will create a new object and binding '%name%' with the original object will not work
+ * @param {null | NodeLike} node
+ * @param {string} name
+ */
+export function invalid_rest_eachblock_binding(node, name) {
+	w(node, "invalid_rest_eachblock_binding", `The rest operator (...) will create a new object and binding '${name}' with the original object will not work`);
+}
\ No newline at end of file
diff --git a/packages/svelte/tests/css/samples/attribute-selector-case-sensitive/_config.js b/packages/svelte/tests/css/samples/attribute-selector-case-sensitive/_config.js
index 4be32cf365..ec37410442 100644
--- a/packages/svelte/tests/css/samples/attribute-selector-case-sensitive/_config.js
+++ b/packages/svelte/tests/css/samples/attribute-selector-case-sensitive/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 44,
 				column: 14,
diff --git a/packages/svelte/tests/css/samples/descendant-selector-unmatched/_config.js b/packages/svelte/tests/css/samples/descendant-selector-unmatched/_config.js
index 509e5faec9..35258ef2b2 100644
--- a/packages/svelte/tests/css/samples/descendant-selector-unmatched/_config.js
+++ b/packages/svelte/tests/css/samples/descendant-selector-unmatched/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 33,
 				column: 6,
diff --git a/packages/svelte/tests/css/samples/dynamic-element/_config.js b/packages/svelte/tests/css/samples/dynamic-element/_config.js
index 3b6a14f232..48e47c1de4 100644
--- a/packages/svelte/tests/css/samples/dynamic-element/_config.js
+++ b/packages/svelte/tests/css/samples/dynamic-element/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".unused"',
 			start: {
 				character: 79,
diff --git a/packages/svelte/tests/css/samples/empty-class/_config.js b/packages/svelte/tests/css/samples/empty-class/_config.js
index 5f66a10535..d9e56228fb 100644
--- a/packages/svelte/tests/css/samples/empty-class/_config.js
+++ b/packages/svelte/tests/css/samples/empty-class/_config.js
@@ -4,7 +4,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".x"',
 			start: {
 				line: 4,
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-await/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-await/_config.js
index 8fdea81aaf..fbc374017b 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-await/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-await/_config.js
@@ -3,19 +3,19 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 269, column: 1, line: 15 },
 			end: { character: 276, column: 8, line: 15 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c ~ .d"',
 			start: { character: 296, column: 1, line: 16 },
 			end: { character: 303, column: 8, line: 16 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .d"',
 			start: { character: 323, column: 1, line: 17 },
 			end: { character: 330, column: 8, line: 17 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-each-else-nested/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-each-else-nested/_config.js
index ad86c2d045..82ff5d5e45 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-each-else-nested/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-each-else-nested/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".e ~ .f"',
 			start: { character: 812, column: 1, line: 35 },
 			end: { character: 819, column: 8, line: 35 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-each-else/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-each-else/_config.js
index e0059c8eb5..36182939d0 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-each-else/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-each-else/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 198, column: 1, line: 13 },
 			end: { character: 205, column: 8, line: 13 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive-with-each/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive-with-each/_config.js
index 36970ad4cd..a5d586d758 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive-with-each/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive-with-each/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 319, column: 1, line: 18 },
 			end: { character: 326, column: 8, line: 18 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive/_config.js
index b6eba63bed..eb2f1a026a 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-if-not-exhaustive/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 215, column: 1, line: 14 },
 			end: { character: 222, column: 8, line: 14 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-if/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-if/_config.js
index 896b289fd1..38b4ad344b 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-if/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-if/_config.js
@@ -3,19 +3,19 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 269, column: 1, line: 16 },
 			end: { character: 276, column: 8, line: 16 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .d"',
 			start: { character: 296, column: 1, line: 17 },
 			end: { character: 303, column: 8, line: 17 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c ~ .d"',
 			start: { character: 323, column: 1, line: 18 },
 			end: { character: 330, column: 8, line: 18 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-rendertag-global/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-rendertag-global/_config.js
index 2038788f67..e59a88cb3f 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-rendertag-global/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-rendertag-global/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 479,
 				column: 19,
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-slot-global/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-slot-global/_config.js
index b595370622..9675b0be9f 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-slot-global/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-slot-global/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 472,
 				column: 19,
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-slot/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-slot/_config.js
index 1de4e6d06d..6fe2e4ac59 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-slot/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-slot/_config.js
@@ -3,37 +3,37 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a ~ .b"',
 			start: { character: 110, column: 1, line: 10 },
 			end: { character: 117, column: 8, line: 10 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .c"',
 			start: { character: 137, column: 1, line: 11 },
 			end: { character: 144, column: 8, line: 11 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c ~ .f"',
 			start: { character: 164, column: 1, line: 12 },
 			end: { character: 171, column: 8, line: 12 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".f ~ .g"',
 			start: { character: 191, column: 1, line: 13 },
 			end: { character: 198, column: 8, line: 13 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .f"',
 			start: { character: 218, column: 1, line: 14 },
 			end: { character: 225, column: 8, line: 14 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b ~ .g"',
 			start: { character: 245, column: 1, line: 15 },
 			end: { character: 252, column: 8, line: 15 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-star/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-star/_config.js
index 5828733842..665c914362 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-star/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-star/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".not-match > * ~ *"',
 			start: { character: 50, column: 1, line: 5 },
 			end: { character: 68, column: 19, line: 5 }
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator-svelteelement/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator-svelteelement/_config.js
index d9b40d6462..7c50a76bbb 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator-svelteelement/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator-svelteelement/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 496,
 				column: 10,
diff --git a/packages/svelte/tests/css/samples/general-siblings-combinator/_config.js b/packages/svelte/tests/css/samples/general-siblings-combinator/_config.js
index 47f2f5fb5c..2d93119179 100644
--- a/packages/svelte/tests/css/samples/general-siblings-combinator/_config.js
+++ b/packages/svelte/tests/css/samples/general-siblings-combinator/_config.js
@@ -3,25 +3,25 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "article ~ div"',
 			start: { character: 275, column: 1, line: 12 },
 			end: { character: 288, column: 14, line: 12 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "span ~ article"',
 			start: { character: 308, column: 1, line: 13 },
 			end: { character: 322, column: 15, line: 13 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "b ~ article"',
 			start: { character: 342, column: 1, line: 14 },
 			end: { character: 353, column: 12, line: 14 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "span ~ div"',
 			start: { character: 373, column: 1, line: 15 },
 			end: { character: 383, column: 11, line: 15 }
diff --git a/packages/svelte/tests/css/samples/global-block/_config.js b/packages/svelte/tests/css/samples/global-block/_config.js
index 53b9ee318f..430b45fe37 100644
--- a/packages/svelte/tests/css/samples/global-block/_config.js
+++ b/packages/svelte/tests/css/samples/global-block/_config.js
@@ -4,7 +4,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".unused :global"',
 			start: {
 				line: 16,
diff --git a/packages/svelte/tests/css/samples/global-with-unused-descendant/_config.js b/packages/svelte/tests/css/samples/global-with-unused-descendant/_config.js
index d30184a4b2..eb31e60fdc 100644
--- a/packages/svelte/tests/css/samples/global-with-unused-descendant/_config.js
+++ b/packages/svelte/tests/css/samples/global-with-unused-descendant/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ":global(.foo) .bar"',
 			start: { character: 9, column: 1, line: 2 },
 			end: { character: 27, column: 19, line: 2 }
diff --git a/packages/svelte/tests/css/samples/host/_config.js b/packages/svelte/tests/css/samples/host/_config.js
index e5c8c0fe0e..740593396b 100644
--- a/packages/svelte/tests/css/samples/host/_config.js
+++ b/packages/svelte/tests/css/samples/host/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ":host > span"',
 			start: {
 				character: 145,
diff --git a/packages/svelte/tests/css/samples/is/_config.js b/packages/svelte/tests/css/samples/is/_config.js
index 4a3961aaef..cb3a31ce20 100644
--- a/packages/svelte/tests/css/samples/is/_config.js
+++ b/packages/svelte/tests/css/samples/is/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 38,
 				column: 11,
diff --git a/packages/svelte/tests/css/samples/nested-css/_config.js b/packages/svelte/tests/css/samples/nested-css/_config.js
index e51fbe576c..128da8b3c7 100644
--- a/packages/svelte/tests/css/samples/nested-css/_config.js
+++ b/packages/svelte/tests/css/samples/nested-css/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 239,
 				column: 13,
@@ -17,7 +17,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 302,
 				column: 10,
@@ -31,7 +31,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 328,
 				column: 6,
@@ -45,7 +45,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 381,
 				column: 10,
@@ -59,7 +59,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 471,
 				column: 7,
@@ -73,7 +73,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 634,
 				column: 5,
@@ -87,7 +87,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 666,
 				column: 9,
diff --git a/packages/svelte/tests/css/samples/omit-scoping-attribute-descendant/_config.js b/packages/svelte/tests/css/samples/omit-scoping-attribute-descendant/_config.js
index 5385f5d600..8ec63cb987 100644
--- a/packages/svelte/tests/css/samples/omit-scoping-attribute-descendant/_config.js
+++ b/packages/svelte/tests/css/samples/omit-scoping-attribute-descendant/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "div > p"',
 			start: {
 				line: 8,
diff --git a/packages/svelte/tests/css/samples/preserve-specificity/input.svelte b/packages/svelte/tests/css/samples/preserve-specificity/input.svelte
index 1c0a594145..0314795199 100644
--- a/packages/svelte/tests/css/samples/preserve-specificity/input.svelte
+++ b/packages/svelte/tests/css/samples/preserve-specificity/input.svelte
@@ -1,4 +1,4 @@
-<!-- svelte-ignore a11y-missing-attribute -->
+<!-- svelte-ignore a11y_missing_attribute -->
 <a>
   <b>
     <c>
@@ -21,4 +21,4 @@
   .foo {
     color: green;
   }
-</style>
\ No newline at end of file
+</style>
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-await/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-await/_config.js
index 69049c7e83..46e3b331b8 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-await/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-await/_config.js
@@ -3,25 +3,25 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .e"',
 			start: { character: 242, column: 1, line: 14 },
 			end: { character: 249, column: 8, line: 14 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 269, column: 1, line: 15 },
 			end: { character: 276, column: 8, line: 15 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .d"',
 			start: { character: 296, column: 1, line: 16 },
 			end: { character: 303, column: 8, line: 16 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .d"',
 			start: { character: 323, column: 1, line: 17 },
 			end: { character: 330, column: 8, line: 17 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-each-2/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-each-2/_config.js
index ce7e3793c7..cbc6316442 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-each-2/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-each-2/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .c"',
 			start: { character: 320, column: 1, line: 26 },
 			end: { character: 327, column: 8, line: 26 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-each-else-nested/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-each-else-nested/_config.js
index b7f24a8881..6ea62ad0c5 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-each-else-nested/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-each-else-nested/_config.js
@@ -3,61 +3,61 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .c"',
 			start: { character: 478, column: 1, line: 23 },
 			end: { character: 485, column: 8, line: 23 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .g"',
 			start: { character: 505, column: 1, line: 24 },
 			end: { character: 512, column: 8, line: 24 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .e"',
 			start: { character: 532, column: 1, line: 25 },
 			end: { character: 539, column: 8, line: 25 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .g"',
 			start: { character: 559, column: 1, line: 26 },
 			end: { character: 566, column: 8, line: 26 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .k"',
 			start: { character: 586, column: 1, line: 27 },
 			end: { character: 593, column: 8, line: 27 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".d + .d"',
 			start: { character: 613, column: 1, line: 28 },
 			end: { character: 620, column: 8, line: 28 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".e + .f"',
 			start: { character: 640, column: 1, line: 29 },
 			end: { character: 647, column: 8, line: 29 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".f + .f"',
 			start: { character: 667, column: 1, line: 30 },
 			end: { character: 674, column: 8, line: 30 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".g + .j"',
 			start: { character: 694, column: 1, line: 31 },
 			end: { character: 701, column: 8, line: 31 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".g + .h + .i + .j"',
 			start: { character: 721, column: 1, line: 32 },
 			end: { character: 738, column: 18, line: 32 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-each-else/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-each-else/_config.js
index 0014358f74..3d1c4659f4 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-each-else/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-each-else/_config.js
@@ -3,13 +3,13 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .d"',
 			start: { character: 171, column: 1, line: 12 },
 			end: { character: 178, column: 8, line: 12 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 198, column: 1, line: 13 },
 			end: { character: 205, column: 8, line: 13 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-each-nested/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-each-nested/_config.js
index c21cbb7df4..847a6184de 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-each-nested/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-each-nested/_config.js
@@ -3,49 +3,49 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .h"',
 			start: { character: 1229, column: 1, line: 58 },
 			end: { character: 1236, column: 8, line: 58 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .i"',
 			start: { character: 1256, column: 1, line: 59 },
 			end: { character: 1263, column: 8, line: 59 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .h"',
 			start: { character: 1283, column: 1, line: 60 },
 			end: { character: 1290, column: 8, line: 60 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .i"',
 			start: { character: 1310, column: 1, line: 61 },
 			end: { character: 1317, column: 8, line: 61 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".d + .f"',
 			start: { character: 1337, column: 1, line: 62 },
 			end: { character: 1344, column: 8, line: 62 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".d + .g"',
 			start: { character: 1364, column: 1, line: 63 },
 			end: { character: 1371, column: 8, line: 63 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".e + .g"',
 			start: { character: 1391, column: 1, line: 64 },
 			end: { character: 1398, column: 8, line: 64 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".g + .i"',
 			start: { character: 1418, column: 1, line: 65 },
 			end: { character: 1425, column: 8, line: 65 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-global/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-global/_config.js
index 8600db6013..539ea5e2b6 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-global/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-global/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ":global(input) + span"',
 			start: {
 				character: 239,
@@ -17,7 +17,7 @@ export default test({
 			}
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ":global(input) ~ span"',
 			start: {
 				character: 279,
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive-with-each/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive-with-each/_config.js
index 61117e1086..da7e9cb522 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive-with-each/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive-with-each/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 319, column: 1, line: 18 },
 			end: { character: 326, column: 8, line: 18 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive/_config.js
index b823529970..39738d3fb9 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-if-not-exhaustive/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 215, column: 1, line: 14 },
 			end: { character: 222, column: 8, line: 14 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-if/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-if/_config.js
index 5903e9645b..16883232a2 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-if/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-if/_config.js
@@ -3,25 +3,25 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .e"',
 			start: { character: 242, column: 1, line: 15 },
 			end: { character: 249, column: 8, line: 15 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 269, column: 1, line: 16 },
 			end: { character: 276, column: 8, line: 16 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .d"',
 			start: { character: 296, column: 1, line: 17 },
 			end: { character: 303, column: 8, line: 17 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .d"',
 			start: { character: 323, column: 1, line: 18 },
 			end: { character: 330, column: 8, line: 18 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-slot/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-slot/_config.js
index b1c2369ab7..d13a8d726b 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-slot/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-slot/_config.js
@@ -3,19 +3,19 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".a + .b"',
 			start: { character: 83, column: 1, line: 9 },
 			end: { character: 90, column: 8, line: 9 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".b + .c"',
 			start: { character: 110, column: 1, line: 10 },
 			end: { character: 117, column: 8, line: 10 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".c + .f"',
 			start: { character: 137, column: 1, line: 11 },
 			end: { character: 144, column: 8, line: 11 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator-star/_config.js b/packages/svelte/tests/css/samples/siblings-combinator-star/_config.js
index 99ed8d1efa..f9ad4bca0c 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator-star/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator-star/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".not-match > * + *"',
 			start: { character: 50, column: 1, line: 5 },
 			end: { character: 68, column: 19, line: 5 }
diff --git a/packages/svelte/tests/css/samples/siblings-combinator/_config.js b/packages/svelte/tests/css/samples/siblings-combinator/_config.js
index 438bbc574b..8ef8aac908 100644
--- a/packages/svelte/tests/css/samples/siblings-combinator/_config.js
+++ b/packages/svelte/tests/css/samples/siblings-combinator/_config.js
@@ -3,25 +3,25 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "article + div"',
 			start: { character: 45, column: 1, line: 5 },
 			end: { character: 58, column: 14, line: 5 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "span + article"',
 			start: { character: 81, column: 1, line: 8 },
 			end: { character: 95, column: 15, line: 8 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "b + article"',
 			start: { character: 118, column: 1, line: 11 },
 			end: { character: 129, column: 12, line: 11 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "span + div"',
 			start: { character: 152, column: 1, line: 14 },
 			end: { character: 162, column: 11, line: 14 }
diff --git a/packages/svelte/tests/css/samples/unused-selector-child-combinator/_config.js b/packages/svelte/tests/css/samples/unused-selector-child-combinator/_config.js
index cc9927ae0f..6dc7f0411e 100644
--- a/packages/svelte/tests/css/samples/unused-selector-child-combinator/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-child-combinator/_config.js
@@ -3,19 +3,19 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "article > *"',
 			start: { character: 9, column: 1, line: 2 },
 			end: { character: 20, column: 12, line: 2 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "article *"',
 			start: { character: 47, column: 1, line: 6 },
 			end: { character: 56, column: 10, line: 6 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".article > *"',
 			start: { character: 83, column: 1, line: 10 },
 			end: { character: 95, column: 13, line: 10 }
diff --git a/packages/svelte/tests/css/samples/unused-selector-empty-attribute/_config.js b/packages/svelte/tests/css/samples/unused-selector-empty-attribute/_config.js
index 3628524f69..004ba8954b 100644
--- a/packages/svelte/tests/css/samples/unused-selector-empty-attribute/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-empty-attribute/_config.js
@@ -4,7 +4,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector "img[alt=""]"',
 			start: {
 				character: 87,
diff --git a/packages/svelte/tests/css/samples/unused-selector-leading/_config.js b/packages/svelte/tests/css/samples/unused-selector-leading/_config.js
index a428fa803f..fcf70cb7b9 100644
--- a/packages/svelte/tests/css/samples/unused-selector-leading/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-leading/_config.js
@@ -4,7 +4,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".foo"',
 			start: {
 				line: 4,
@@ -20,7 +20,7 @@ export default test({
 
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".baz"',
 			start: {
 				line: 4,
diff --git a/packages/svelte/tests/css/samples/unused-selector-string-concat/_config.js b/packages/svelte/tests/css/samples/unused-selector-string-concat/_config.js
index 8318e58856..a779778516 100644
--- a/packages/svelte/tests/css/samples/unused-selector-string-concat/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-string-concat/_config.js
@@ -3,61 +3,61 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".fooaa"',
 			start: { line: 11, column: 2, character: 206 },
 			end: { line: 11, column: 8, character: 212 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".foobb"',
 			start: { line: 12, column: 2, character: 229 },
 			end: { line: 12, column: 8, character: 235 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".foodd"',
 			start: { line: 14, column: 2, character: 275 },
 			end: { line: 14, column: 8, character: 281 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".bbbar"',
 			start: { line: 20, column: 2, character: 401 },
 			end: { line: 20, column: 8, character: 407 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".ccbar"',
 			start: { line: 21, column: 2, character: 424 },
 			end: { line: 21, column: 8, character: 430 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".ddbar"',
 			start: { line: 22, column: 2, character: 447 },
 			end: { line: 22, column: 8, character: 453 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".fooaabar"',
 			start: { line: 23, column: 2, character: 470 },
 			end: { line: 23, column: 11, character: 479 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".foobbbar"',
 			start: { line: 24, column: 2, character: 496 },
 			end: { line: 24, column: 11, character: 505 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".fooccbar"',
 			start: { line: 25, column: 2, character: 522 },
 			end: { line: 25, column: 11, character: 531 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".unused"',
 			start: { line: 28, column: 2, character: 595 },
 			end: { line: 28, column: 9, character: 602 }
diff --git a/packages/svelte/tests/css/samples/unused-selector-ternary-concat/_config.js b/packages/svelte/tests/css/samples/unused-selector-ternary-concat/_config.js
index 52caa7e457..96fad08e3f 100644
--- a/packages/svelte/tests/css/samples/unused-selector-ternary-concat/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-ternary-concat/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".unused"',
 			start: {
 				character: 198,
diff --git a/packages/svelte/tests/css/samples/unused-selector-ternary-nested/_config.js b/packages/svelte/tests/css/samples/unused-selector-ternary-nested/_config.js
index 43f6e628b8..b74ccce347 100644
--- a/packages/svelte/tests/css/samples/unused-selector-ternary-nested/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-ternary-nested/_config.js
@@ -3,13 +3,13 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".hover.unused"',
 			start: { line: 15, column: 2, character: 261 },
 			end: { line: 15, column: 15, character: 274 }
 		},
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".unused"',
 			start: { line: 17, column: 2, character: 295 },
 			end: { line: 17, column: 9, character: 302 }
diff --git a/packages/svelte/tests/css/samples/unused-selector-ternary/_config.js b/packages/svelte/tests/css/samples/unused-selector-ternary/_config.js
index 05ac58e36c..b8acc30e2d 100644
--- a/packages/svelte/tests/css/samples/unused-selector-ternary/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-ternary/_config.js
@@ -7,7 +7,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".maybeactive"',
 			start: {
 				line: 16,
diff --git a/packages/svelte/tests/css/samples/unused-selector-trailing/_config.js b/packages/svelte/tests/css/samples/unused-selector-trailing/_config.js
index 1504399317..2f30d40d27 100644
--- a/packages/svelte/tests/css/samples/unused-selector-trailing/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector-trailing/_config.js
@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	warnings: [
 		{
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			end: {
 				character: 32,
 				column: 3,
diff --git a/packages/svelte/tests/css/samples/unused-selector/_config.js b/packages/svelte/tests/css/samples/unused-selector/_config.js
index 2a9d738386..a95a24d738 100644
--- a/packages/svelte/tests/css/samples/unused-selector/_config.js
+++ b/packages/svelte/tests/css/samples/unused-selector/_config.js
@@ -4,7 +4,7 @@ export default test({
 	warnings: [
 		{
 			filename: 'SvelteComponent.svelte',
-			code: 'css-unused-selector',
+			code: 'css_unused_selector',
 			message: 'Unused CSS selector ".bar"',
 			start: {
 				line: 8,
diff --git a/packages/svelte/tests/runtime-browser/custom-elements-samples/extended-builtin/_config.js b/packages/svelte/tests/runtime-browser/custom-elements-samples/extended-builtin/_config.js
index 28c6bdae4c..dfb291476d 100644
--- a/packages/svelte/tests/runtime-browser/custom-elements-samples/extended-builtin/_config.js
+++ b/packages/svelte/tests/runtime-browser/custom-elements-samples/extended-builtin/_config.js
@@ -4,7 +4,7 @@ const tick = () => Promise.resolve();
 export default test({
 	warnings: [
 		{
-			code: 'avoid-is',
+			code: 'avoid_is',
 			message: 'The "is" attribute is not supported cross-browser and should be avoided',
 			start: {
 				character: 109,
diff --git a/packages/svelte/tests/validator/samples/a11y-alt-text/warnings.json b/packages/svelte/tests/validator/samples/a11y-alt-text/warnings.json
index 904288c45c..8a21f3cfe3 100644
--- a/packages/svelte/tests/validator/samples/a11y-alt-text/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-alt-text/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <img> element should have an alt attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<img> element should have an alt attribute",
 		"start": {
 			"line": 1,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <area> element should have an alt, aria-label or aria-labelledby attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<area> element should have an alt, aria-label or aria-labelledby attribute",
 		"start": {
 			"line": 4,
 			"column": 1
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <object> element should have a title, aria-label or aria-labelledby attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<object> element should have a title, aria-label or aria-labelledby attribute",
 		"start": {
 			"line": 7,
 			"column": 0
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
 		"start": {
 			"line": 9,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-anchor-has-content/warnings.json b/packages/svelte/tests/validator/samples/a11y-anchor-has-content/warnings.json
index d9076ddba1..0227195c21 100644
--- a/packages/svelte/tests/validator/samples/a11y-anchor-has-content/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-anchor-has-content/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-content",
-		"message": "A11y: <a> element should have child content",
+		"code": "a11y_missing_content",
+		"message": "<a> element should have child content",
 		"start": {
 			"line": 1,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json b/packages/svelte/tests/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json
index 0ca16767d7..ba46443d65 100644
--- a/packages/svelte/tests/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <a> element should have an href attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<a> element should have an href attribute",
 		"start": {
 			"line": 1,
 			"column": 11
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-invalid-attribute",
-		"message": "A11y: '' is not a valid xlink:href attribute",
+		"code": "a11y_invalid_attribute",
+		"message": "'' is not a valid xlink:href attribute",
 		"start": {
 			"line": 2,
 			"column": 14
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-invalid-attribute",
-		"message": "A11y: '#' is not a valid xlink:href attribute",
+		"code": "a11y_invalid_attribute",
+		"message": "'#' is not a valid xlink:href attribute",
 		"start": {
 			"line": 3,
 			"column": 14
diff --git a/packages/svelte/tests/validator/samples/a11y-anchor-is-valid/warnings.json b/packages/svelte/tests/validator/samples/a11y-anchor-is-valid/warnings.json
index 50d19ae630..8ecb5cff24 100644
--- a/packages/svelte/tests/validator/samples/a11y-anchor-is-valid/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-anchor-is-valid/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <a> element should have an href attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<a> element should have an href attribute",
 		"start": {
 			"line": 1,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-invalid-attribute",
-		"message": "A11y: '' is not a valid href attribute",
+		"code": "a11y_invalid_attribute",
+		"message": "'' is not a valid href attribute",
 		"start": {
 			"line": 2,
 			"column": 3
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-invalid-attribute",
-		"message": "A11y: '#' is not a valid href attribute",
+		"code": "a11y_invalid_attribute",
+		"message": "'#' is not a valid href attribute",
 		"start": {
 			"line": 3,
 			"column": 3
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-invalid-attribute",
-		"message": "A11y: 'javascript:void(0)' is not a valid href attribute",
+		"code": "a11y_invalid_attribute",
+		"message": "'javascript:void(0)' is not a valid href attribute",
 		"start": {
 			"line": 4,
 			"column": 3
@@ -48,8 +48,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <a> element should have an href attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<a> element should have an href attribute",
 		"start": {
 			"line": 5,
 			"column": 0
@@ -60,8 +60,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <a> element should have an href attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<a> element should have an href attribute",
 		"start": {
 			"line": 6,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-activedescendant/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-activedescendant/warnings.json
index 186a18666f..79532f4723 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-activedescendant/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-activedescendant/warnings.json
@@ -1,11 +1,11 @@
 [
 	{
-		"code": "a11y-aria-activedescendant-has-tabindex",
+		"code": "a11y_aria_activedescendant_has_tabindex",
 		"end": {
 			"column": 36,
 			"line": 16
 		},
-		"message": "A11y: Elements with attribute aria-activedescendant should have tabindex value",
+		"message": "Elements with attribute aria-activedescendant should have tabindex value",
 		"start": {
 			"column": 5,
 			"line": 16
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-props/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-props/warnings.json
index f357429f62..cd36ffd42d 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-props/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-props/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-unknown-aria-attribute",
-		"message": "A11y: Unknown aria attribute 'aria-labeledby' (did you mean 'labelledby'?)",
+		"code": "a11y_unknown_aria_attribute_suggestion",
+		"message": "Unknown aria attribute 'aria-labeledby'. Did you mean 'labelledby'?",
 		"start": {
 			"line": 1,
 			"column": 20
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
 		"start": {
 			"column": 0,
 			"line": 1
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-boolean/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-boolean/warnings.json
index 61cd1aabba..10320c4308 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-boolean/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-boolean/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-disabled' must be exactly one of true or false",
+		"code": "a11y_incorrect_aria_attribute_type_boolean",
+		"message": "The value of 'aria-disabled' must be either 'true' or 'false'",
 		"start": {
 			"line": 5,
 			"column": 8
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-disabled' must be exactly one of true or false",
+		"code": "a11y_incorrect_aria_attribute_type_boolean",
+		"message": "The value of 'aria-disabled' must be either 'true' or 'false'",
 		"start": {
 			"line": 6,
 			"column": 8
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-integer/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-integer/warnings.json
index 51b31e70ef..d8be2ef8cd 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-integer/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-integer/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"code": "a11y_incorrect_aria_attribute_type_integer",
+		"message": "The value of 'aria-level' must be an integer",
 		"start": {
 			"line": 1,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"code": "a11y_incorrect_aria_attribute_type_integer",
+		"message": "The value of 'aria-level' must be an integer",
 		"start": {
 			"line": 2,
 			"column": 5
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"code": "a11y_incorrect_aria_attribute_type_integer",
+		"message": "The value of 'aria-level' must be an integer",
 		"start": {
 			"line": 5,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-number/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-number/warnings.json
index e28a43df37..ed5283f797 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-number/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-number/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"code": "a11y_incorrect_aria_attribute_type",
+		"message": "The value of 'aria-valuemax' must be of type number",
 		"start": {
 			"line": 1,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"code": "a11y_incorrect_aria_attribute_type",
+		"message": "The value of 'aria-valuemax' must be of type number",
 		"start": {
 			"line": 2,
 			"column": 5
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"code": "a11y_incorrect_aria_attribute_type",
+		"message": "The value of 'aria-valuemax' must be of type number",
 		"start": {
 			"line": 5,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-string/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-string/warnings.json
index 2dd8f2509f..3a93dbcee6 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-string/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-string/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-label' must be of type string",
+		"code": "a11y_incorrect_aria_attribute_type",
+		"message": "The value of 'aria-label' must be of type string",
 		"start": {
 			"line": 1,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-token/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-token/warnings.json
index 555f956d95..fea249be0a 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-token/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-token/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"code": "a11y_incorrect_aria_attribute_type_token",
+		"message": "The value of 'aria-sort' must be exactly one of \"ascending\", \"descending\", \"none\" or \"other\"",
 		"start": {
 			"line": 1,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"code": "a11y_incorrect_aria_attribute_type_token",
+		"message": "The value of 'aria-sort' must be exactly one of \"ascending\", \"descending\", \"none\" or \"other\"",
 		"start": {
 			"line": 2,
 			"column": 5
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"code": "a11y_incorrect_aria_attribute_type_token",
+		"message": "The value of 'aria-sort' must be exactly one of \"ascending\", \"descending\", \"none\" or \"other\"",
 		"start": {
 			"line": 3,
 			"column": 5
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"code": "a11y_incorrect_aria_attribute_type_token",
+		"message": "The value of 'aria-sort' must be exactly one of \"ascending\", \"descending\", \"none\" or \"other\"",
 		"start": {
 			"line": 6,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json
index 408a0db916..10a92d1790 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"code": "a11y_incorrect_aria_attribute_type_tokenlist",
+		"message": "The value of 'aria-relevant' must be a space-separated list of one or more of \"additions\", \"all\", \"removals\" or \"text\"",
 		"start": {
 			"line": 1,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"code": "a11y_incorrect_aria_attribute_type_tokenlist",
+		"message": "The value of 'aria-relevant' must be a space-separated list of one or more of \"additions\", \"all\", \"removals\" or \"text\"",
 		"start": {
 			"line": 2,
 			"column": 5
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"code": "a11y_incorrect_aria_attribute_type_tokenlist",
+		"message": "The value of 'aria-relevant' must be a space-separated list of one or more of \"additions\", \"all\", \"removals\" or \"text\"",
 		"start": {
 			"line": 3,
 			"column": 5
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"code": "a11y_incorrect_aria_attribute_type_tokenlist",
+		"message": "The value of 'aria-relevant' must be a space-separated list of one or more of \"additions\", \"all\", \"removals\" or \"text\"",
 		"start": {
 			"line": 6,
 			"column": 5
@@ -48,8 +48,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"code": "a11y_incorrect_aria_attribute_type_tokenlist",
+		"message": "The value of 'aria-relevant' must be a space-separated list of one or more of \"additions\", \"all\", \"removals\" or \"text\"",
 		"start": {
 			"line": 7,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tristate/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tristate/warnings.json
index 2733b2ad18..d623a38d88 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tristate/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-proptypes-tristate/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-checked' must be exactly one of true, false, or mixed",
+		"code": "a11y_incorrect_aria_attribute_type_tristate",
+		"message": "The value of 'aria-checked' must be exactly one of true, false, or mixed",
 		"start": {
 			"line": 5,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-incorrect-aria-attribute-type",
-		"message": "A11y: The value of 'aria-checked' must be exactly one of true, false, or mixed",
+		"code": "a11y_incorrect_aria_attribute_type_tristate",
+		"message": "The value of 'aria-checked' must be exactly one of true, false, or mixed",
 		"start": {
 			"line": 6,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-role/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-role/warnings.json
index 49581ac003..3b250958b0 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-role/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-role/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-unknown-role",
-		"message": "A11y: Unknown role 'toooltip' (did you mean 'tooltip'?)",
+		"code": "a11y_unknown_role_suggestion",
+		"message": "Unknown role 'toooltip'. Did you mean 'tooltip'?",
 		"start": {
 			"line": 6,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-unknown-role",
-		"message": "A11y: Unknown role 'toooltip' (did you mean 'tooltip'?)",
+		"code": "a11y_unknown_role_suggestion",
+		"message": "Unknown role 'toooltip'. Did you mean 'tooltip'?",
 		"start": {
 			"line": 7,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-aria-unsupported-element/warnings.json b/packages/svelte/tests/validator/samples/a11y-aria-unsupported-element/warnings.json
index 04891378b0..3a56930a12 100644
--- a/packages/svelte/tests/validator/samples/a11y-aria-unsupported-element/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-aria-unsupported-element/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-aria-attributes",
-		"message": "A11y: <meta> should not have aria-* attributes",
+		"code": "a11y_aria_attributes",
+		"message": "<meta> should not have aria-* attributes",
 		"start": {
 			"line": 1,
 			"column": 6
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-misplaced-role",
-		"message": "A11y: <meta> should not have role attribute",
+		"code": "a11y_misplaced_role",
+		"message": "<meta> should not have role attribute",
 		"start": {
 			"line": 2,
 			"column": 6
diff --git a/packages/svelte/tests/validator/samples/a11y-autocomplete-valid/warnings.json b/packages/svelte/tests/validator/samples/a11y-autocomplete-valid/warnings.json
index 470cfff1fb..a09a819de1 100644
--- a/packages/svelte/tests/validator/samples/a11y-autocomplete-valid/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-autocomplete-valid/warnings.json
@@ -1,35 +1,35 @@
 [
 	{
-		"code": "a11y-autocomplete-valid",
+		"code": "a11y_autocomplete_valid",
 		"end": {
 			"column": 31,
 			"line": 25
 		},
-		"message": "A11y: The value 'true' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"message": "The value 'true' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
 		"start": {
 			"column": 19,
 			"line": 25
 		}
 	},
 	{
-		"code": "a11y-autocomplete-valid",
+		"code": "a11y_autocomplete_valid",
 		"end": {
 			"column": 43,
 			"line": 26
 		},
-		"message": "A11y: The value 'incorrect' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"message": "The value 'incorrect' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
 		"start": {
 			"column": 19,
 			"line": 26
 		}
 	},
 	{
-		"code": "a11y-autocomplete-valid",
+		"code": "a11y_autocomplete_valid",
 		"end": {
 			"column": 42,
 			"line": 27
 		},
-		"message": "A11y: The value 'webauthn' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"message": "The value 'webauthn' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
 		"start": {
 			"column": 19,
 			"line": 27
diff --git a/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/input.svelte b/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/input.svelte
index c8c5d608f0..4ca8d30c4d 100644
--- a/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/input.svelte
+++ b/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/input.svelte
@@ -9,22 +9,22 @@
 </script>
 
 <!-- should warn -->
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} aria-hidden="false"></div>
 
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <section on:click={noop}></section>
-<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
 <main on:click={noop}></main>
-<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
 <article on:click={noop}></article>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <header on:click={noop}></header>
-<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
 <footer on:click={noop}></footer>
-<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
 <footer onclick={noop}></footer>
 
 <!-- should not warn -->
@@ -37,32 +37,32 @@
 <input type="button" on:click={noop} />
 <input type={dynamicTypeValue} on:click={noop} />
 
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} {...props}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keydown={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keyup={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keypress={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keydown={noop} on:keyup={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keyup={noop} on:keypress={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keypress={noop} on:keydown={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} on:keydown={noop} on:keyup={noop} on:keypress={noop}></div>
 
 <input on:click={noop} type="hidden" />
 
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} aria-hidden></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} aria-hidden="true"></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} aria-hidden="false" on:keydown={noop}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:click={noop} aria-hidden={dynamicAriaHiddenValue}></div>
 
 <div on:click={noop} role="presentation"></div>
@@ -70,5 +70,5 @@
 <div on:click={noop} role={dynamicRole}></div>
 <div onclick={noop} role={dynamicRole}></div>
 
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <svelte:element this={Math.random() ? 'button' : 'div'} on:click={noop} />
diff --git a/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/warnings.json b/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/warnings.json
index 87ec876987..49cfc849f1 100644
--- a/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-click-events-have-key-events/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 13,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 15,
 			"column": 0
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 18,
 			"column": 0
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 20,
 			"column": 0
@@ -48,8 +48,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 22,
 			"column": 0
@@ -60,8 +60,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 24,
 			"column": 0
@@ -72,8 +72,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 26,
 			"column": 0
@@ -84,8 +84,8 @@
 		}
 	},
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"line": 28,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-figcaption-wrong-place/warnings.json b/packages/svelte/tests/validator/samples/a11y-figcaption-wrong-place/warnings.json
index c9cac1daf9..54b8f51f0e 100644
--- a/packages/svelte/tests/validator/samples/a11y-figcaption-wrong-place/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-figcaption-wrong-place/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-structure",
-		"message": "A11y: <figcaption> must be first or last child of <figure>",
+		"code": "a11y_figcaption_index",
+		"message": "`<figcaption>` must be first or last child of `<figure>`",
 		"start": {
 			"line": 4,
 			"column": 1
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-structure",
-		"message": "A11y: <figcaption> must be an immediate child of <figure>",
+		"code": "a11y_figcaption_parent",
+		"message": "`<figcaption>` must be an immediate child of `<figure>`",
 		"start": {
 			"line": 15,
 			"column": 2
diff --git a/packages/svelte/tests/validator/samples/a11y-heading-has-content/warnings.json b/packages/svelte/tests/validator/samples/a11y-heading-has-content/warnings.json
index ad5f5d4033..64604d61a3 100644
--- a/packages/svelte/tests/validator/samples/a11y-heading-has-content/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-heading-has-content/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-content",
-		"message": "A11y: <h1> element should have child content",
+		"code": "a11y_missing_content",
+		"message": "<h1> element should have child content",
 		"start": {
 			"line": 1,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-hidden",
-		"message": "A11y: <h2> element should not be hidden",
+		"code": "a11y_hidden",
+		"message": "<h2> element should not be hidden",
 		"start": {
 			"line": 2,
 			"column": 4
diff --git a/packages/svelte/tests/validator/samples/a11y-html-has-lang/warnings.json b/packages/svelte/tests/validator/samples/a11y-html-has-lang/warnings.json
index 097e8e88bd..85eca6e407 100644
--- a/packages/svelte/tests/validator/samples/a11y-html-has-lang/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-html-has-lang/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <html> element should have a lang attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<html> element should have a lang attribute",
 		"start": {
 			"column": 0,
 			"line": 9
diff --git a/packages/svelte/tests/validator/samples/a11y-iframe-has-title/warnings.json b/packages/svelte/tests/validator/samples/a11y-iframe-has-title/warnings.json
index e78523931e..2d80b9b502 100644
--- a/packages/svelte/tests/validator/samples/a11y-iframe-has-title/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-iframe-has-title/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-missing-attribute",
-		"message": "A11y: <iframe> element should have a title attribute",
+		"code": "a11y_missing_attribute",
+		"message": "<iframe> element should have a title attribute",
 		"start": {
 			"line": 5,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-img-redundant-alt/warnings.json b/packages/svelte/tests/validator/samples/a11y-img-redundant-alt/warnings.json
index 9ba5a1c96e..b2b0e4f33a 100644
--- a/packages/svelte/tests/validator/samples/a11y-img-redundant-alt/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-img-redundant-alt/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-img-redundant-alt",
-		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"code": "a11y_img_redundant_alt",
+		"message": "Screenreaders already announce <img> elements as an image.",
 		"end": {
 			"column": 49,
 			"line": 3
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-img-redundant-alt",
-		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"code": "a11y_img_redundant_alt",
+		"message": "Screenreaders already announce <img> elements as an image.",
 		"end": {
 			"column": 45,
 			"line": 4
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-img-redundant-alt",
-		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"code": "a11y_img_redundant_alt",
+		"message": "Screenreaders already announce <img> elements as an image.",
 		"end": {
 			"column": 52,
 			"line": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-interactive-supports-focus/warnings.json b/packages/svelte/tests/validator/samples/a11y-interactive-supports-focus/warnings.json
index 2034bc2bd5..7b4eaa049a 100644
--- a/packages/svelte/tests/validator/samples/a11y-interactive-supports-focus/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-interactive-supports-focus/warnings.json
@@ -1,275 +1,275 @@
 [
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 48,
 			"line": 11
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 51,
 			"line": 12
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 12
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 45,
 			"line": 13
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 72,
 			"line": 14
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 14
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 51,
 			"line": 15
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 52,
 			"line": 16
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 16
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 44,
 			"line": 17
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 51,
 			"line": 18
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 18
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 49,
 			"line": 19
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 19
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 52,
 			"line": 20
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 20
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 49,
 			"line": 21
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 21
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 52,
 			"line": 22
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 22
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 49,
 			"line": 23
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 23
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 48,
 			"line": 24
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 24
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 49,
 			"line": 25
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 25
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 54,
 			"line": 26
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 26
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 50,
 			"line": 27
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 27
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 53,
 			"line": 28
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 28
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 48,
 			"line": 29
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 29
 		}
 	},
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 48,
 			"line": 29
 		},
-		"message": "A11y: 'mouseout' event must be accompanied by 'blur' event",
+		"message": "'mouseout' event must be accompanied by 'blur' event",
 		"start": {
 			"column": 0,
 			"line": 29
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 53,
 			"line": 30
 		},
-		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"message": "Elements with the 'menuitem' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 30
 		}
 	},
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 53,
 			"line": 30
 		},
-		"message": "A11y: 'mouseover' event must be accompanied by 'focus' event",
+		"message": "'mouseover' event must be accompanied by 'focus' event",
 		"start": {
 			"column": 0,
 			"line": 30
 		}
 	},
 	{
-		"code": "a11y-interactive-supports-focus",
+		"code": "a11y_interactive_supports_focus",
 		"end": {
 			"column": 47,
 			"line": 31
 		},
-		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"message": "Elements with the 'button' interactive role must have a tabindex value.",
 		"start": {
 			"column": 0,
 			"line": 31
diff --git a/packages/svelte/tests/validator/samples/a11y-label-has-associated-control/warnings.json b/packages/svelte/tests/validator/samples/a11y-label-has-associated-control/warnings.json
index 4bbaf6c6c2..2ac34c4bee 100644
--- a/packages/svelte/tests/validator/samples/a11y-label-has-associated-control/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-label-has-associated-control/warnings.json
@@ -1,23 +1,23 @@
 [
 	{
-		"code": "a11y-label-has-associated-control",
+		"code": "a11y_label_has_associated_control",
 		"end": {
 			"column": 16,
 			"line": 5
 		},
-		"message": "A11y: A form label must be associated with a control.",
+		"message": "A form label must be associated with a control.",
 		"start": {
 			"column": 0,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-label-has-associated-control",
+		"code": "a11y_label_has_associated_control",
 		"end": {
 			"column": 30,
 			"line": 10
 		},
-		"message": "A11y: A form label must be associated with a control.",
+		"message": "A form label must be associated with a control.",
 		"start": {
 			"column": 0,
 			"line": 10
diff --git a/packages/svelte/tests/validator/samples/a11y-media-has-caption/warnings.json b/packages/svelte/tests/validator/samples/a11y-media-has-caption/warnings.json
index a438bbdc0f..cfefede261 100644
--- a/packages/svelte/tests/validator/samples/a11y-media-has-caption/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-media-has-caption/warnings.json
@@ -1,47 +1,47 @@
 [
 	{
-		"code": "a11y-media-has-caption",
+		"code": "a11y_media_has_caption",
 		"end": {
 			"column": 15,
 			"line": 2
 		},
-		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"message": "<video> elements must have a <track kind=\"captions\">",
 		"start": {
 			"column": 0,
 			"line": 2
 		}
 	},
 	{
-		"code": "a11y-media-has-caption",
+		"code": "a11y_media_has_caption",
 		"end": {
 			"column": 24,
 			"line": 3
 		},
-		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"message": "<video> elements must have a <track kind=\"captions\">",
 		"start": {
 			"column": 0,
 			"line": 3
 		}
 	},
 	{
-		"code": "a11y-media-has-caption",
+		"code": "a11y_media_has_caption",
 		"end": {
 			"column": 27,
 			"line": 5
 		},
-		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"message": "<video> elements must have a <track kind=\"captions\">",
 		"start": {
 			"column": 0,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-media-has-caption",
+		"code": "a11y_media_has_caption",
 		"end": {
 			"column": 35,
 			"line": 6
 		},
-		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"message": "<video> elements must have a <track kind=\"captions\">",
 		"start": {
 			"column": 0,
 			"line": 6
diff --git a/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/input.svelte b/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/input.svelte
index 3c7d6aeb12..613b80e6d9 100644
--- a/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/input.svelte
+++ b/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/input.svelte
@@ -7,15 +7,15 @@
 	};
 </script>
 
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseover={() => void 0}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseover={() => void 0} on:focus={() => void 0}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseover={() => void 0} {...otherProps}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseout={() => void 0}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseout={() => void 0} on:blur={() => void 0}></div>
-<!-- svelte-ignore a11y-no-static-element-interactions -->
+<!-- svelte-ignore a11y_no_static_element_interactions -->
 <div on:mouseout={() => void 0} {...otherProps}></div>
diff --git a/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/warnings.json b/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/warnings.json
index 42aeab3fde..574b019e0f 100644
--- a/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-mouse-events-have-key-events/warnings.json
@@ -1,47 +1,47 @@
 [
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 39,
 			"line": 11
 		},
-		"message": "A11y: 'mouseover' event must be accompanied by 'focus' event",
+		"message": "'mouseover' event must be accompanied by 'focus' event",
 		"start": {
 			"column": 0,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 55,
 			"line": 15
 		},
-		"message": "A11y: 'mouseover' event must be accompanied by 'focus' event",
+		"message": "'mouseover' event must be accompanied by 'focus' event",
 		"start": {
 			"column": 0,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 38,
 			"line": 17
 		},
-		"message": "A11y: 'mouseout' event must be accompanied by 'blur' event",
+		"message": "'mouseout' event must be accompanied by 'blur' event",
 		"start": {
 			"column": 0,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-mouse-events-have-key-events",
+		"code": "a11y_mouse_events_have_key_events",
 		"end": {
 			"column": 54,
 			"line": 21
 		},
-		"message": "A11y: 'mouseout' event must be accompanied by 'blur' event",
+		"message": "'mouseout' event must be accompanied by 'blur' event",
 		"start": {
 			"column": 0,
 			"line": 21
diff --git a/packages/svelte/tests/validator/samples/a11y-no-abstract-roles/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-abstract-roles/warnings.json
index c17ae461f9..a7345a2834 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-abstract-roles/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-abstract-roles/warnings.json
@@ -1,143 +1,143 @@
 [
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 19,
 			"line": 1
 		},
-		"message": "A11y: Abstract role 'command' is forbidden",
+		"message": "Abstract role 'command' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 1
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 21,
 			"line": 2
 		},
-		"message": "A11y: Abstract role 'composite' is forbidden",
+		"message": "Abstract role 'composite' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 2
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 17,
 			"line": 3
 		},
-		"message": "A11y: Abstract role 'input' is forbidden",
+		"message": "Abstract role 'input' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 3
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 20,
 			"line": 4
 		},
-		"message": "A11y: Abstract role 'landmark' is forbidden",
+		"message": "Abstract role 'landmark' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 4
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 17,
 			"line": 5
 		},
-		"message": "A11y: Abstract role 'range' is forbidden",
+		"message": "Abstract role 'range' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 20,
 			"line": 6
 		},
-		"message": "A11y: Abstract role 'roletype' is forbidden",
+		"message": "Abstract role 'roletype' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 6
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 19,
 			"line": 7
 		},
-		"message": "A11y: Abstract role 'section' is forbidden",
+		"message": "Abstract role 'section' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 7
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 23,
 			"line": 8
 		},
-		"message": "A11y: Abstract role 'sectionhead' is forbidden",
+		"message": "Abstract role 'sectionhead' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 8
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 9
 		},
-		"message": "A11y: Abstract role 'select' is forbidden",
+		"message": "Abstract role 'select' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 9
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 21,
 			"line": 10
 		},
-		"message": "A11y: Abstract role 'structure' is forbidden",
+		"message": "Abstract role 'structure' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 10
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 11
 		},
-		"message": "A11y: Abstract role 'widget' is forbidden",
+		"message": "Abstract role 'widget' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 12
 		},
-		"message": "A11y: Abstract role 'window' is forbidden",
+		"message": "Abstract role 'window' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 12
diff --git a/packages/svelte/tests/validator/samples/a11y-no-access-key/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-access-key/warnings.json
index 9e1226933b..fcbe3e9d26 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-access-key/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-access-key/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-accesskey",
-		"message": "A11y: Avoid using accesskey",
+		"code": "a11y_accesskey",
+		"message": "Avoid using accesskey",
 		"start": {
 			"line": 1,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-no-autofocus/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-autofocus/warnings.json
index 0b002be48e..4ed8462a70 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-autofocus/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-autofocus/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-autofocus",
-		"message": "A11y: Avoid using autofocus",
+		"code": "a11y_autofocus",
+		"message": "Avoid using autofocus",
 		"start": {
 			"line": 1,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-no-distracting-elements/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-distracting-elements/warnings.json
index f2ba85fac0..1c4e362ec1 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-distracting-elements/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-distracting-elements/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-distracting-elements",
-		"message": "A11y: Avoid <marquee> elements",
+		"code": "a11y_distracting_elements",
+		"message": "Avoid <marquee> elements",
 		"start": {
 			"line": 1,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-distracting-elements",
-		"message": "A11y: Avoid <blink> elements",
+		"code": "a11y_distracting_elements",
+		"message": "Avoid <blink> elements",
 		"start": {
 			"line": 2,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json
index 1f2f8eb991..2cdbde0b9a 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json
@@ -1,707 +1,707 @@
 [
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 38,
 			"line": 2
 		},
-		"message": "A11y: <a> cannot have role 'article'",
+		"message": "<a> cannot have role 'article'",
 		"start": {
 			"column": 0,
 			"line": 2
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 3
 		},
-		"message": "A11y: <a> cannot have role 'banner'",
+		"message": "<a> cannot have role 'banner'",
 		"start": {
 			"column": 0,
 			"line": 3
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 44,
 			"line": 4
 		},
-		"message": "A11y: <a> cannot have role 'complementary'",
+		"message": "<a> cannot have role 'complementary'",
 		"start": {
 			"column": 0,
 			"line": 4
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 34,
 			"line": 5
 		},
-		"message": "A11y: <a> cannot have role 'img'",
+		"message": "<a> cannot have role 'img'",
 		"start": {
 			"column": 0,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 39,
 			"line": 6
 		},
-		"message": "A11y: <a> cannot have role 'listitem'",
+		"message": "<a> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 6
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 35,
 			"line": 7
 		},
-		"message": "A11y: <a> cannot have role 'main'",
+		"message": "<a> cannot have role 'main'",
 		"start": {
 			"column": 0,
 			"line": 7
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 8
 		},
-		"message": "A11y: <a> cannot have role 'region'",
+		"message": "<a> cannot have role 'region'",
 		"start": {
 			"column": 0,
 			"line": 8
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 38,
 			"line": 9
 		},
-		"message": "A11y: <a> cannot have role 'tooltip'",
+		"message": "<a> cannot have role 'tooltip'",
 		"start": {
 			"column": 0,
 			"line": 9
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 38,
 			"line": 13
 		},
-		"message": "A11y: <button> cannot have role 'article'",
+		"message": "<button> cannot have role 'article'",
 		"start": {
 			"column": 0,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 14
 		},
-		"message": "A11y: <button> cannot have role 'banner'",
+		"message": "<button> cannot have role 'banner'",
 		"start": {
 			"column": 0,
 			"line": 14
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 44,
 			"line": 15
 		},
-		"message": "A11y: <button> cannot have role 'complementary'",
+		"message": "<button> cannot have role 'complementary'",
 		"start": {
 			"column": 0,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 34,
 			"line": 16
 		},
-		"message": "A11y: <button> cannot have role 'img'",
+		"message": "<button> cannot have role 'img'",
 		"start": {
 			"column": 0,
 			"line": 16
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 39,
 			"line": 17
 		},
-		"message": "A11y: <button> cannot have role 'listitem'",
+		"message": "<button> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 35,
 			"line": 18
 		},
-		"message": "A11y: <button> cannot have role 'main'",
+		"message": "<button> cannot have role 'main'",
 		"start": {
 			"column": 0,
 			"line": 18
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 19
 		},
-		"message": "A11y: <button> cannot have role 'region'",
+		"message": "<button> cannot have role 'region'",
 		"start": {
 			"column": 0,
 			"line": 19
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 38,
 			"line": 20
 		},
-		"message": "A11y: <button> cannot have role 'tooltip'",
+		"message": "<button> cannot have role 'tooltip'",
 		"start": {
 			"column": 0,
 			"line": 20
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 21
 		},
-		"message": "A11y: Redundant role 'button'",
+		"message": "Redundant role 'button'",
 		"start": {
 			"column": 8,
 			"line": 21
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 24,
 			"line": 24
 		},
-		"message": "A11y: <input> cannot have role 'article'",
+		"message": "<input> cannot have role 'article'",
 		"start": {
 			"column": 0,
 			"line": 24
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 23,
 			"line": 25
 		},
-		"message": "A11y: <input> cannot have role 'banner'",
+		"message": "<input> cannot have role 'banner'",
 		"start": {
 			"column": 0,
 			"line": 25
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 30,
 			"line": 26
 		},
-		"message": "A11y: <input> cannot have role 'complementary'",
+		"message": "<input> cannot have role 'complementary'",
 		"start": {
 			"column": 0,
 			"line": 26
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 20,
 			"line": 27
 		},
-		"message": "A11y: <input> cannot have role 'img'",
+		"message": "<input> cannot have role 'img'",
 		"start": {
 			"column": 0,
 			"line": 27
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 25,
 			"line": 28
 		},
-		"message": "A11y: <input> cannot have role 'listitem'",
+		"message": "<input> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 28
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 21,
 			"line": 29
 		},
-		"message": "A11y: <input> cannot have role 'main'",
+		"message": "<input> cannot have role 'main'",
 		"start": {
 			"column": 0,
 			"line": 29
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 23,
 			"line": 30
 		},
-		"message": "A11y: <input> cannot have role 'region'",
+		"message": "<input> cannot have role 'region'",
 		"start": {
 			"column": 0,
 			"line": 30
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 24,
 			"line": 31
 		},
-		"message": "A11y: <input> cannot have role 'tooltip'",
+		"message": "<input> cannot have role 'tooltip'",
 		"start": {
 			"column": 0,
 			"line": 31
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 32,
 			"line": 35
 		},
-		"message": "A11y: <select> cannot have role 'article'",
+		"message": "<select> cannot have role 'article'",
 		"start": {
 			"column": 0,
 			"line": 35
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 31,
 			"line": 36
 		},
-		"message": "A11y: <select> cannot have role 'banner'",
+		"message": "<select> cannot have role 'banner'",
 		"start": {
 			"column": 0,
 			"line": 36
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 38,
 			"line": 37
 		},
-		"message": "A11y: <select> cannot have role 'complementary'",
+		"message": "<select> cannot have role 'complementary'",
 		"start": {
 			"column": 0,
 			"line": 37
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 28,
 			"line": 38
 		},
-		"message": "A11y: <select> cannot have role 'img'",
+		"message": "<select> cannot have role 'img'",
 		"start": {
 			"column": 0,
 			"line": 38
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 33,
 			"line": 39
 		},
-		"message": "A11y: <select> cannot have role 'listitem'",
+		"message": "<select> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 39
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 29,
 			"line": 40
 		},
-		"message": "A11y: <select> cannot have role 'main'",
+		"message": "<select> cannot have role 'main'",
 		"start": {
 			"column": 0,
 			"line": 40
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 31,
 			"line": 41
 		},
-		"message": "A11y: <select> cannot have role 'region'",
+		"message": "<select> cannot have role 'region'",
 		"start": {
 			"column": 0,
 			"line": 41
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 32,
 			"line": 42
 		},
-		"message": "A11y: <select> cannot have role 'tooltip'",
+		"message": "<select> cannot have role 'tooltip'",
 		"start": {
 			"column": 0,
 			"line": 42
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 36,
 			"line": 46
 		},
-		"message": "A11y: <textarea> cannot have role 'article'",
+		"message": "<textarea> cannot have role 'article'",
 		"start": {
 			"column": 0,
 			"line": 46
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 35,
 			"line": 47
 		},
-		"message": "A11y: <textarea> cannot have role 'banner'",
+		"message": "<textarea> cannot have role 'banner'",
 		"start": {
 			"column": 0,
 			"line": 47
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 42,
 			"line": 48
 		},
-		"message": "A11y: <textarea> cannot have role 'complementary'",
+		"message": "<textarea> cannot have role 'complementary'",
 		"start": {
 			"column": 0,
 			"line": 48
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 32,
 			"line": 49
 		},
-		"message": "A11y: <textarea> cannot have role 'img'",
+		"message": "<textarea> cannot have role 'img'",
 		"start": {
 			"column": 0,
 			"line": 49
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 50
 		},
-		"message": "A11y: <textarea> cannot have role 'listitem'",
+		"message": "<textarea> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 50
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 33,
 			"line": 51
 		},
-		"message": "A11y: <textarea> cannot have role 'main'",
+		"message": "<textarea> cannot have role 'main'",
 		"start": {
 			"column": 0,
 			"line": 51
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 35,
 			"line": 52
 		},
-		"message": "A11y: <textarea> cannot have role 'region'",
+		"message": "<textarea> cannot have role 'region'",
 		"start": {
 			"column": 0,
 			"line": 52
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 36,
 			"line": 53
 		},
-		"message": "A11y: <textarea> cannot have role 'tooltip'",
+		"message": "<textarea> cannot have role 'tooltip'",
 		"start": {
 			"column": 0,
 			"line": 53
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 19,
 			"line": 57
 		},
-		"message": "A11y: Abstract role 'command' is forbidden",
+		"message": "Abstract role 'command' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 57
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 21,
 			"line": 58
 		},
-		"message": "A11y: Abstract role 'composite' is forbidden",
+		"message": "Abstract role 'composite' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 58
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 17,
 			"line": 59
 		},
-		"message": "A11y: Abstract role 'input' is forbidden",
+		"message": "Abstract role 'input' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 59
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 20,
 			"line": 60
 		},
-		"message": "A11y: Abstract role 'landmark' is forbidden",
+		"message": "Abstract role 'landmark' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 60
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 17,
 			"line": 61
 		},
-		"message": "A11y: Abstract role 'range' is forbidden",
+		"message": "Abstract role 'range' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 61
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 20,
 			"line": 62
 		},
-		"message": "A11y: Abstract role 'roletype' is forbidden",
+		"message": "Abstract role 'roletype' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 62
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 19,
 			"line": 63
 		},
-		"message": "A11y: Abstract role 'section' is forbidden",
+		"message": "Abstract role 'section' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 63
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 23,
 			"line": 64
 		},
-		"message": "A11y: Abstract role 'sectionhead' is forbidden",
+		"message": "Abstract role 'sectionhead' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 64
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 65
 		},
-		"message": "A11y: Abstract role 'select' is forbidden",
+		"message": "Abstract role 'select' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 65
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 21,
 			"line": 66
 		},
-		"message": "A11y: Abstract role 'structure' is forbidden",
+		"message": "Abstract role 'structure' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 66
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 71
 		},
-		"message": "A11y: Abstract role 'widget' is forbidden",
+		"message": "Abstract role 'widget' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 71
 		}
 	},
 	{
-		"code": "a11y-no-abstract-role",
+		"code": "a11y_no_abstract_role",
 		"end": {
 			"column": 18,
 			"line": 72
 		},
-		"message": "A11y: Abstract role 'window' is forbidden",
+		"message": "Abstract role 'window' is forbidden",
 		"start": {
 			"column": 5,
 			"line": 72
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 37,
 			"line": 143
 		},
-		"message": "A11y: <menuitem> cannot have role 'listitem'",
+		"message": "<menuitem> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 143
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 45,
 			"line": 144
 		},
-		"message": "A11y: <option> cannot have role 'listitem'",
+		"message": "<option> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 144
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 45,
 			"line": 145
 		},
-		"message": "A11y: <select> cannot have role 'listitem'",
+		"message": "<select> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 145
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 49,
 			"line": 146
 		},
-		"message": "A11y: <textarea> cannot have role 'listitem'",
+		"message": "<textarea> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 146
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 25,
 			"line": 147
 		},
-		"message": "A11y: <tr> cannot have role 'listitem'",
+		"message": "<tr> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 147
 		}
 	},
 	{
-		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"code": "a11y_no_interactive_element_to_noninteractive_role",
 		"end": {
 			"column": 35,
 			"line": 148
 		},
-		"message": "A11y: <summary> cannot have role 'listitem'",
+		"message": "<summary> cannot have role 'listitem'",
 		"start": {
 			"column": 0,
 			"line": 148
diff --git a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json
index ae1f6ebb09..df22c49b9f 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json
@@ -1,59 +1,59 @@
 [
 	{
-		"code": "a11y-no-noninteractive-element-interactions",
+		"code": "a11y_no_noninteractive_element_interactions",
 		"end": {
 			"column": 51,
 			"line": 10
 		},
-		"message": "A11y: Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
+		"message": "Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
 		"start": {
 			"column": 0,
 			"line": 10
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-interactions",
+		"code": "a11y_no_noninteractive_element_interactions",
 		"end": {
 			"column": 58,
 			"line": 11
 		},
-		"message": "A11y: Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
+		"message": "Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
 		"start": {
 			"column": 0,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-interactions",
+		"code": "a11y_no_noninteractive_element_interactions",
 		"end": {
 			"column": 50,
 			"line": 12
 		},
-		"message": "A11y: Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
+		"message": "Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
 		"start": {
 			"column": 0,
 			"line": 12
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-interactions",
+		"code": "a11y_no_noninteractive_element_interactions",
 		"end": {
 			"column": 30,
 			"line": 13
 		},
-		"message": "A11y: Non-interactive element <p> should not be assigned mouse or keyboard event listeners.",
+		"message": "Non-interactive element <p> should not be assigned mouse or keyboard event listeners.",
 		"start": {
 			"column": 0,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-interactions",
+		"code": "a11y_no_noninteractive_element_interactions",
 		"end": {
 			"column": 50,
 			"line": 14
 		},
-		"message": "A11y: Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
+		"message": "Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
 		"start": {
 			"column": 0,
 			"line": 14
diff --git a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json
index 4dea7346b0..57eb3d9028 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <article> cannot have interactive role 'button'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <article> cannot have interactive role 'button'",
 		"start": {
 			"line": 2,
 			"column": 0
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <aside> cannot have interactive role 'checkbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <aside> cannot have interactive role 'checkbox'",
 		"start": {
 			"line": 3,
 			"column": 0
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <blockquote> cannot have interactive role 'columnheader'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <blockquote> cannot have interactive role 'columnheader'",
 		"start": {
 			"line": 4,
 			"column": 0
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <br> cannot have interactive role 'grid'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <br> cannot have interactive role 'grid'",
 		"start": {
 			"line": 5,
 			"column": 0
@@ -48,8 +48,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <caption> cannot have interactive role 'gridcell'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <caption> cannot have interactive role 'gridcell'",
 		"start": {
 			"line": 6,
 			"column": 0
@@ -60,8 +60,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <dd> cannot have interactive role 'link'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <dd> cannot have interactive role 'link'",
 		"start": {
 			"line": 7,
 			"column": 0
@@ -72,8 +72,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <details> cannot have interactive role 'listbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <details> cannot have interactive role 'listbox'",
 		"start": {
 			"line": 8,
 			"column": 0
@@ -84,8 +84,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <dir> cannot have interactive role 'menu'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <dir> cannot have interactive role 'menu'",
 		"start": {
 			"line": 9,
 			"column": 0
@@ -96,8 +96,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <dl> cannot have interactive role 'menubar'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <dl> cannot have interactive role 'menubar'",
 		"start": {
 			"line": 10,
 			"column": 0
@@ -108,8 +108,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <dfn> cannot have interactive role 'menuitem'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <dfn> cannot have interactive role 'menuitem'",
 		"start": {
 			"line": 11,
 			"column": 0
@@ -120,8 +120,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <dt> cannot have interactive role 'menuitemcheckbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <dt> cannot have interactive role 'menuitemcheckbox'",
 		"start": {
 			"line": 12,
 			"column": 0
@@ -132,8 +132,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <fieldset> cannot have interactive role 'menuitemradio'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <fieldset> cannot have interactive role 'menuitemradio'",
 		"start": {
 			"line": 13,
 			"column": 0
@@ -144,8 +144,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <figcaption> cannot have interactive role 'menuitemradio'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <figcaption> cannot have interactive role 'menuitemradio'",
 		"start": {
 			"line": 15,
 			"column": 1
@@ -156,8 +156,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <figure> cannot have interactive role 'option'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <figure> cannot have interactive role 'option'",
 		"start": {
 			"line": 17,
 			"column": 0
@@ -168,8 +168,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <footer> cannot have interactive role 'radio'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <footer> cannot have interactive role 'radio'",
 		"start": {
 			"line": 18,
 			"column": 0
@@ -180,8 +180,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <form> cannot have interactive role 'radiogroup'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <form> cannot have interactive role 'radiogroup'",
 		"start": {
 			"line": 19,
 			"column": 0
@@ -192,8 +192,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h1> cannot have interactive role 'rowheader'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h1> cannot have interactive role 'rowheader'",
 		"start": {
 			"line": 20,
 			"column": 0
@@ -204,8 +204,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h2> cannot have interactive role 'scrollbar'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h2> cannot have interactive role 'scrollbar'",
 		"start": {
 			"line": 21,
 			"column": 0
@@ -216,8 +216,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h3> cannot have interactive role 'searchbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h3> cannot have interactive role 'searchbox'",
 		"start": {
 			"line": 22,
 			"column": 0
@@ -228,8 +228,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h4> cannot have interactive role 'slider'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h4> cannot have interactive role 'slider'",
 		"start": {
 			"line": 23,
 			"column": 0
@@ -240,8 +240,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h5> cannot have interactive role 'spinbutton'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h5> cannot have interactive role 'spinbutton'",
 		"start": {
 			"line": 24,
 			"column": 0
@@ -252,8 +252,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <h6> cannot have interactive role 'switch'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <h6> cannot have interactive role 'switch'",
 		"start": {
 			"line": 25,
 			"column": 0
@@ -264,8 +264,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <hr> cannot have interactive role 'tab'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <hr> cannot have interactive role 'tab'",
 		"start": {
 			"line": 26,
 			"column": 0
@@ -276,8 +276,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <img> cannot have interactive role 'tabpanel'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <img> cannot have interactive role 'tabpanel'",
 		"start": {
 			"line": 27,
 			"column": 0
@@ -288,8 +288,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <label> cannot have interactive role 'textbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <label> cannot have interactive role 'textbox'",
 		"start": {
 			"line": 28,
 			"column": 0
@@ -300,8 +300,8 @@
 		}
 	},
 	{
-		"code": "a11y-label-has-associated-control",
-		"message": "A11y: A form label must be associated with a control.",
+		"code": "a11y_label_has_associated_control",
+		"message": "A form label must be associated with a control.",
 		"start": {
 			"line": 28,
 			"column": 0
@@ -312,8 +312,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <legend> cannot have interactive role 'toolbar'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <legend> cannot have interactive role 'toolbar'",
 		"start": {
 			"line": 29,
 			"column": 0
@@ -324,8 +324,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <li> cannot have interactive role 'tree'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <li> cannot have interactive role 'tree'",
 		"start": {
 			"line": 30,
 			"column": 0
@@ -336,8 +336,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <main> cannot have interactive role 'treegrid'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <main> cannot have interactive role 'treegrid'",
 		"start": {
 			"line": 31,
 			"column": 0
@@ -348,8 +348,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <mark> cannot have interactive role 'treeitem'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <mark> cannot have interactive role 'treeitem'",
 		"start": {
 			"line": 32,
 			"column": 0
@@ -360,8 +360,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <marquee> cannot have interactive role 'doc-backlink'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <marquee> cannot have interactive role 'doc-backlink'",
 		"start": {
 			"line": 33,
 			"column": 0
@@ -372,8 +372,8 @@
 		}
 	},
 	{
-		"code": "a11y-distracting-elements",
-		"message": "A11y: Avoid <marquee> elements",
+		"code": "a11y_distracting_elements",
+		"message": "Avoid <marquee> elements",
 		"start": {
 			"line": 33,
 			"column": 0
@@ -384,8 +384,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <menu> cannot have interactive role 'doc-biblioref'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <menu> cannot have interactive role 'doc-biblioref'",
 		"start": {
 			"line": 34,
 			"column": 0
@@ -396,8 +396,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <meter> cannot have interactive role 'doc-glossref'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <meter> cannot have interactive role 'doc-glossref'",
 		"start": {
 			"line": 35,
 			"column": 0
@@ -408,8 +408,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <nav> cannot have interactive role 'doc-noteref'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <nav> cannot have interactive role 'doc-noteref'",
 		"start": {
 			"line": 36,
 			"column": 0
@@ -420,8 +420,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <ol> cannot have interactive role 'button'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <ol> cannot have interactive role 'button'",
 		"start": {
 			"line": 37,
 			"column": 0
@@ -432,8 +432,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <optgroup> cannot have interactive role 'treeitem'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <optgroup> cannot have interactive role 'treeitem'",
 		"start": {
 			"line": 38,
 			"column": 0
@@ -444,8 +444,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <output> cannot have interactive role 'treegrid'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <output> cannot have interactive role 'treegrid'",
 		"start": {
 			"line": 39,
 			"column": 0
@@ -456,8 +456,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <p> cannot have interactive role 'columnheader'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <p> cannot have interactive role 'columnheader'",
 		"start": {
 			"line": 40,
 			"column": 0
@@ -468,8 +468,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <pre> cannot have interactive role 'tree'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <pre> cannot have interactive role 'tree'",
 		"start": {
 			"line": 41,
 			"column": 0
@@ -480,8 +480,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <progress> cannot have interactive role 'combobox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <progress> cannot have interactive role 'combobox'",
 		"start": {
 			"line": 42,
 			"column": 0
@@ -492,8 +492,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <ruby> cannot have interactive role 'toolbar'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <ruby> cannot have interactive role 'toolbar'",
 		"start": {
 			"line": 43,
 			"column": 0
@@ -504,8 +504,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <section> cannot have interactive role 'radio'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <section> cannot have interactive role 'radio'",
 		"start": {
 			"line": 44,
 			"column": 0
@@ -516,8 +516,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <table> cannot have interactive role 'menu'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <table> cannot have interactive role 'menu'",
 		"start": {
 			"line": 45,
 			"column": 0
@@ -528,8 +528,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <tbody> cannot have interactive role 'searchbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <tbody> cannot have interactive role 'searchbox'",
 		"start": {
 			"line": 46,
 			"column": 0
@@ -540,8 +540,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <tfoot> cannot have interactive role 'listbox'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <tfoot> cannot have interactive role 'listbox'",
 		"start": {
 			"line": 47,
 			"column": 0
@@ -552,8 +552,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <thead> cannot have interactive role 'slider'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <thead> cannot have interactive role 'slider'",
 		"start": {
 			"line": 48,
 			"column": 0
@@ -564,8 +564,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <time> cannot have interactive role 'doc-backlink'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <time> cannot have interactive role 'doc-backlink'",
 		"start": {
 			"line": 49,
 			"column": 0
@@ -576,8 +576,8 @@
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-element-to-interactive-role",
-		"message": "A11y: Non-interactive element <ul> cannot have interactive role 'spinbutton'",
+		"code": "a11y_no_noninteractive_element_to_interactive_role",
+		"message": "Non-interactive element <ul> cannot have interactive role 'spinbutton'",
 		"start": {
 			"line": 50,
 			"column": 0
diff --git a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-tabindex/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-tabindex/warnings.json
index 14c48b00b2..1852376a76 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-noninteractive-tabindex/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-noninteractive-tabindex/warnings.json
@@ -1,47 +1,47 @@
 [
 	{
-		"code": "a11y-no-noninteractive-tabindex",
+		"code": "a11y_no_noninteractive_tabindex",
 		"end": {
 			"column": 24,
 			"line": 13
 		},
-		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"message": "noninteractive element cannot have nonnegative tabIndex value",
 		"start": {
 			"column": 0,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-tabindex",
+		"code": "a11y_no_noninteractive_tabindex",
 		"end": {
 			"column": 39,
 			"line": 14
 		},
-		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"message": "noninteractive element cannot have nonnegative tabIndex value",
 		"start": {
 			"column": 0,
 			"line": 14
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-tabindex",
+		"code": "a11y_no_noninteractive_tabindex",
 		"end": {
 			"column": 32,
 			"line": 15
 		},
-		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"message": "noninteractive element cannot have nonnegative tabIndex value",
 		"start": {
 			"column": 0,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-no-noninteractive-tabindex",
+		"code": "a11y_no_noninteractive_tabindex",
 		"end": {
 			"column": 34,
 			"line": 16
 		},
-		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"message": "noninteractive element cannot have nonnegative tabIndex value",
 		"start": {
 			"column": 0,
 			"line": 16
diff --git a/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/input.svelte b/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/input.svelte
index d43f7322c0..8b6da3b8c8 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/input.svelte
+++ b/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/input.svelte
@@ -44,5 +44,5 @@
 <footer role="contentinfo"></footer>
 
 <!-- Allowed -->
-<!-- svelte-ignore a11y-no-noninteractive-element-to-interactive-role -->
+<!-- svelte-ignore a11y_no_noninteractive_element_to_interactive_role -->
 <menu role="menu"></menu>
diff --git a/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/warnings.json
index 12cdc6f8d5..861f000aef 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-redundant-roles/warnings.json
@@ -1,467 +1,467 @@
 [
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 23,
 			"line": 1
 		},
-		"message": "A11y: Redundant role 'link'",
+		"message": "Redundant role 'link'",
 		"start": {
 			"column": 12,
 			"line": 1
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 23,
 			"line": 2
 		},
-		"message": "A11y: Redundant role 'article'",
+		"message": "Redundant role 'article'",
 		"start": {
 			"column": 9,
 			"line": 2
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 27,
 			"line": 3
 		},
-		"message": "A11y: Redundant role 'complementary'",
+		"message": "Redundant role 'complementary'",
 		"start": {
 			"column": 7,
 			"line": 3
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 4
 		},
-		"message": "A11y: Redundant role 'document'",
+		"message": "Redundant role 'document'",
 		"start": {
 			"column": 6,
 			"line": 4
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 5
 		},
-		"message": "A11y: Redundant role 'button'",
+		"message": "Redundant role 'button'",
 		"start": {
 			"column": 8,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 24,
 			"line": 6
 		},
-		"message": "A11y: Redundant role 'listbox'",
+		"message": "Redundant role 'listbox'",
 		"start": {
 			"column": 10,
 			"line": 6
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 7
 		},
-		"message": "A11y: Redundant role 'definition'",
+		"message": "Redundant role 'definition'",
 		"start": {
 			"column": 4,
 			"line": 7
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 16,
 			"line": 8
 		},
-		"message": "A11y: Redundant role 'term'",
+		"message": "Redundant role 'term'",
 		"start": {
 			"column": 5,
 			"line": 8
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 9
 		},
-		"message": "A11y: Redundant role 'group'",
+		"message": "Redundant role 'group'",
 		"start": {
 			"column": 9,
 			"line": 9
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 10
 		},
-		"message": "A11y: Redundant role 'dialog'",
+		"message": "Redundant role 'dialog'",
 		"start": {
 			"column": 8,
 			"line": 10
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 15,
 			"line": 11
 		},
-		"message": "A11y: Redundant role 'term'",
+		"message": "Redundant role 'term'",
 		"start": {
 			"column": 4,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 12
 		},
-		"message": "A11y: Redundant role 'group'",
+		"message": "Redundant role 'group'",
 		"start": {
 			"column": 10,
 			"line": 12
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 13
 		},
-		"message": "A11y: Redundant role 'figure'",
+		"message": "Redundant role 'figure'",
 		"start": {
 			"column": 8,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 17,
 			"line": 14
 		},
-		"message": "A11y: Redundant role 'form'",
+		"message": "Redundant role 'form'",
 		"start": {
 			"column": 6,
 			"line": 14
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 15
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 16
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 16
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 17
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 18
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 18
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 19
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 19
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 18,
 			"line": 20
 		},
-		"message": "A11y: Redundant role 'heading'",
+		"message": "Redundant role 'heading'",
 		"start": {
 			"column": 4,
 			"line": 20
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 20,
 			"line": 21
 		},
-		"message": "A11y: Redundant role 'separator'",
+		"message": "Redundant role 'separator'",
 		"start": {
 			"column": 4,
 			"line": 21
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 17,
 			"line": 23
 		},
-		"message": "A11y: Redundant role 'link'",
+		"message": "Redundant role 'link'",
 		"start": {
 			"column": 6,
 			"line": 23
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 17,
 			"line": 24
 		},
-		"message": "A11y: Redundant role 'main'",
+		"message": "Redundant role 'main'",
 		"start": {
 			"column": 6,
 			"line": 24
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 17,
 			"line": 25
 		},
-		"message": "A11y: Redundant role 'list'",
+		"message": "Redundant role 'list'",
 		"start": {
 			"column": 6,
 			"line": 25
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 26
 		},
-		"message": "A11y: Redundant role 'navigation'",
+		"message": "Redundant role 'navigation'",
 		"start": {
 			"column": 5,
 			"line": 26
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 28
 		},
-		"message": "A11y: Redundant role 'group'",
+		"message": "Redundant role 'group'",
 		"start": {
 			"column": 10,
 			"line": 28
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 29
 		},
-		"message": "A11y: Redundant role 'option'",
+		"message": "Redundant role 'option'",
 		"start": {
 			"column": 8,
 			"line": 29
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 30
 		},
-		"message": "A11y: Redundant role 'status'",
+		"message": "Redundant role 'status'",
 		"start": {
 			"column": 8,
 			"line": 30
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 28,
 			"line": 31
 		},
-		"message": "A11y: Redundant role 'progressbar'",
+		"message": "Redundant role 'progressbar'",
 		"start": {
 			"column": 10,
 			"line": 31
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 32
 		},
-		"message": "A11y: Redundant role 'region'",
+		"message": "Redundant role 'region'",
 		"start": {
 			"column": 9,
 			"line": 32
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 33
 		},
-		"message": "A11y: Redundant role 'button'",
+		"message": "Redundant role 'button'",
 		"start": {
 			"column": 9,
 			"line": 33
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 19,
 			"line": 34
 		},
-		"message": "A11y: Redundant role 'table'",
+		"message": "Redundant role 'table'",
 		"start": {
 			"column": 7,
 			"line": 34
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 35
 		},
-		"message": "A11y: Redundant role 'rowgroup'",
+		"message": "Redundant role 'rowgroup'",
 		"start": {
 			"column": 7,
 			"line": 35
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 24,
 			"line": 36
 		},
-		"message": "A11y: Redundant role 'textbox'",
+		"message": "Redundant role 'textbox'",
 		"start": {
 			"column": 10,
 			"line": 36
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 37
 		},
-		"message": "A11y: Redundant role 'rowgroup'",
+		"message": "Redundant role 'rowgroup'",
 		"start": {
 			"column": 7,
 			"line": 37
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 22,
 			"line": 38
 		},
-		"message": "A11y: Redundant role 'rowgroup'",
+		"message": "Redundant role 'rowgroup'",
 		"start": {
 			"column": 7,
 			"line": 38
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 14,
 			"line": 39
 		},
-		"message": "A11y: Redundant role 'row'",
+		"message": "Redundant role 'row'",
 		"start": {
 			"column": 4,
 			"line": 39
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 21,
 			"line": 43
 		},
-		"message": "A11y: Redundant role 'banner'",
+		"message": "Redundant role 'banner'",
 		"start": {
 			"column": 8,
 			"line": 43
 		}
 	},
 	{
-		"code": "a11y-no-redundant-roles",
+		"code": "a11y_no_redundant_roles",
 		"end": {
 			"column": 26,
 			"line": 44
 		},
-		"message": "A11y: Redundant role 'contentinfo'",
+		"message": "Redundant role 'contentinfo'",
 		"start": {
 			"column": 8,
 			"line": 44
diff --git a/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/input.svelte b/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/input.svelte
index f232f6b0fe..44d8b8beb1 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/input.svelte
+++ b/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/input.svelte
@@ -4,16 +4,16 @@
 
 <!-- valid -->
 <button on:click={() => {}}></button>
-<!-- svelte-ignore a11y-interactive-supports-focus -->
+<!-- svelte-ignore a11y_interactive_supports_focus -->
 <div on:keydown={() => {}} role="button"></div>
 <input type="text" on:click={() => {}} />
 <div on:copy={() => {}}></div>
 <a href="/foo" on:click={() => {}}>link</a>
 <div role={dynamicRole} on:click={() => {}}></div>
-<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
 <footer on:keydown={() => {}}></footer>
 
 <!-- invalid -->
 <div on:keydown={() => {}}></div>
-<!-- svelte-ignore a11y-missing-attribute -->
+<!-- svelte-ignore a11y_missing_attribute -->
 <a on:mousedown={() => {}} on:mouseup={() => {}} on:copy={() => {}}>link</a>
diff --git a/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/warnings.json b/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/warnings.json
index f8b982a177..93602ff618 100644
--- a/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-no-static-element-interactions/warnings.json
@@ -1,23 +1,23 @@
 [
 	{
-		"code": "a11y-no-static-element-interactions",
+		"code": "a11y_no_static_element_interactions",
 		"end": {
 			"column": 33,
 			"line": 17
 		},
-		"message": "A11y: <div> with keydown handler must have an ARIA role",
+		"message": "<div> with a keydown handler must have an ARIA role",
 		"start": {
 			"column": 0,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-no-static-element-interactions",
+		"code": "a11y_no_static_element_interactions",
 		"end": {
 			"column": 76,
 			"line": 19
 		},
-		"message": "A11y: <a> with mousedown, mouseup handlers must have an ARIA role",
+		"message": "<a> with a mousedown or mouseup handler must have an ARIA role",
 		"start": {
 			"column": 0,
 			"line": 19
diff --git a/packages/svelte/tests/validator/samples/a11y-not-on-components/warnings.json b/packages/svelte/tests/validator/samples/a11y-not-on-components/warnings.json
index d79141b22f..07ebb73776 100644
--- a/packages/svelte/tests/validator/samples/a11y-not-on-components/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-not-on-components/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-autofocus",
-		"message": "A11y: Avoid using autofocus",
+		"code": "a11y_autofocus",
+		"message": "Avoid using autofocus",
 		"start": {
 			"column": 8,
 			"line": 6
diff --git a/packages/svelte/tests/validator/samples/a11y-role-has-required-aria-props/warnings.json b/packages/svelte/tests/validator/samples/a11y-role-has-required-aria-props/warnings.json
index 17ecda6c1c..732187a6e2 100644
--- a/packages/svelte/tests/validator/samples/a11y-role-has-required-aria-props/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-role-has-required-aria-props/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-role-has-required-aria-props",
-		"message": "A11y: Elements with the ARIA role \"heading\" must have the following attributes defined: \"aria-level\"",
+		"code": "a11y_role_has_required_aria_props",
+		"message": "Elements with the ARIA role \"heading\" must have the following attributes defined: \"aria-level\"",
 		"start": {
 			"line": 1,
 			"column": 5
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "a11y-role-has-required-aria-props",
-		"message": "A11y: Elements with the ARIA role \"checkbox\" must have the following attributes defined: \"aria-checked\"",
+		"code": "a11y_role_has_required_aria_props",
+		"message": "Elements with the ARIA role \"checkbox\" must have the following attributes defined: \"aria-checked\"",
 		"start": {
 			"line": 2,
 			"column": 6
@@ -24,8 +24,8 @@
 		}
 	},
 	{
-		"code": "a11y-role-has-required-aria-props",
-		"message": "A11y: Elements with the ARIA role \"meter\" must have the following attributes defined: \"aria-valuenow\"",
+		"code": "a11y_role_has_required_aria_props",
+		"message": "Elements with the ARIA role \"meter\" must have the following attributes defined: \"aria-valuenow\"",
 		"start": {
 			"line": 3,
 			"column": 5
@@ -36,8 +36,8 @@
 		}
 	},
 	{
-		"code": "a11y-role-has-required-aria-props",
-		"message": "A11y: Elements with the ARIA role \"scrollbar\" must have the following attributes defined: \"aria-controls\", \"aria-valuenow\"",
+		"code": "a11y_role_has_required_aria_props",
+		"message": "Elements with the ARIA role \"scrollbar\" must have the following attributes defined: \"aria-controls\" and \"aria-valuenow\"",
 		"start": {
 			"column": 5,
 			"line": 4
diff --git a/packages/svelte/tests/validator/samples/a11y-role-supports-aria-props/warnings.json b/packages/svelte/tests/validator/samples/a11y-role-supports-aria-props/warnings.json
index 4e26ae572a..176f15711b 100644
--- a/packages/svelte/tests/validator/samples/a11y-role-supports-aria-props/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-role-supports-aria-props/warnings.json
@@ -1,2147 +1,2147 @@
 [
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 19,
 			"line": 2
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'link'. This role is implicit on the element <a>.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'link'. This role is implicit on the element <a>",
 		"start": {
 			"column": 3,
 			"line": 2
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 18,
 			"line": 3
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'link'. This role is implicit on the element <area>.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'link'. This role is implicit on the element <area>",
 		"start": {
 			"column": 6,
 			"line": 3
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 35,
 			"line": 4
 		},
-		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'article'. This role is implicit on the element <article>.",
+		"message": "The attribute 'aria-autocomplete' is not supported by the role 'article'. This role is implicit on the element <article>",
 		"start": {
 			"column": 9,
 			"line": 4
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 5
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'complementary'. This role is implicit on the element <aside>.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'complementary'. This role is implicit on the element <aside>",
 		"start": {
 			"column": 7,
 			"line": 5
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 18,
 			"line": 6
 		},
-		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'document'. This role is implicit on the element <body>.",
+		"message": "The attribute 'aria-invalid' is not supported by the role 'document'. This role is implicit on the element <body>",
 		"start": {
 			"column": 6,
 			"line": 6
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 25,
 			"line": 7
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <button>.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <button>",
 		"start": {
 			"column": 8,
 			"line": 7
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 27,
 			"line": 8
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'listbox'. This role is implicit on the element <datalist>.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'listbox'. This role is implicit on the element <datalist>",
 		"start": {
 			"column": 10,
 			"line": 8
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 21,
 			"line": 9
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'definition'. This role is implicit on the element <dd>.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'definition'. This role is implicit on the element <dd>",
 		"start": {
 			"column": 4,
 			"line": 9
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 22,
 			"line": 10
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'term'. This role is implicit on the element <dfn>.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'term'. This role is implicit on the element <dfn>",
 		"start": {
 			"column": 5,
 			"line": 10
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 25,
 			"line": 11
 		},
-		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'dialog'. This role is implicit on the element <dialog>.",
+		"message": "The attribute 'aria-posinset' is not supported by the role 'dialog'. This role is implicit on the element <dialog>",
 		"start": {
 			"column": 8,
 			"line": 11
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 37,
 			"line": 12
 		},
-		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <details>.",
+		"message": "The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <details>",
 		"start": {
 			"column": 9,
 			"line": 12
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 21,
 			"line": 13
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'term'. This role is implicit on the element <dt>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'term'. This role is implicit on the element <dt>",
 		"start": {
 			"column": 4,
 			"line": 13
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 38,
 			"line": 14
 		},
-		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <fieldset>.",
+		"message": "The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <fieldset>",
 		"start": {
 			"column": 10,
 			"line": 14
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 19,
 			"line": 15
 		},
-		"message": "A11y: The attribute 'aria-disabled' is not supported by the role 'form'. This role is implicit on the element <form>.",
+		"message": "The attribute 'aria-disabled' is not supported by the role 'form'. This role is implicit on the element <form>",
 		"start": {
 			"column": 6,
 			"line": 15
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 16
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h1>.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h1>",
 		"start": {
 			"column": 4,
 			"line": 16
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 17
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h2>.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h2>",
 		"start": {
 			"column": 4,
 			"line": 17
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 18
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'heading'. This role is implicit on the element <h3>.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'heading'. This role is implicit on the element <h3>",
 		"start": {
 			"column": 4,
 			"line": 18
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 21,
 			"line": 19
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h4>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h4>",
 		"start": {
 			"column": 4,
 			"line": 19
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 20
 		},
-		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'heading'. This role is implicit on the element <h5>.",
+		"message": "The attribute 'aria-readonly' is not supported by the role 'heading'. This role is implicit on the element <h5>",
 		"start": {
 			"column": 4,
 			"line": 20
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 21,
 			"line": 21
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h6>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h6>",
 		"start": {
 			"column": 4,
 			"line": 21
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 22
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'separator'. This role is implicit on the element <hr>.",
+		"message": "The attribute 'aria-required' is not supported by the role 'separator'. This role is implicit on the element <hr>",
 		"start": {
 			"column": 4,
 			"line": 22
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 19,
 			"line": 23
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'img'. This role is implicit on the element <img>.",
+		"message": "The attribute 'aria-level' is not supported by the role 'img'. This role is implicit on the element <img>",
 		"start": {
 			"column": 5,
 			"line": 23
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 17,
 			"line": 24
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'listitem'. This role is implicit on the element <li>.",
+		"message": "The attribute 'aria-required' is not supported by the role 'listitem'. This role is implicit on the element <li>",
 		"start": {
 			"column": 4,
 			"line": 24
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 23,
 			"line": 25
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'link'. This role is implicit on the element <link>.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'link'. This role is implicit on the element <link>",
 		"start": {
 			"column": 6,
 			"line": 25
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 23,
 			"line": 26
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'list'. This role is implicit on the element <menu>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'list'. This role is implicit on the element <menu>",
 		"start": {
 			"column": 6,
 			"line": 26
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 23,
 			"line": 27
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'progressbar'. This role is implicit on the element <meter>.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'progressbar'. This role is implicit on the element <meter>",
 		"start": {
 			"column": 7,
 			"line": 27
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 22,
 			"line": 28
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'navigation'. This role is implicit on the element <nav>.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'navigation'. This role is implicit on the element <nav>",
 		"start": {
 			"column": 5,
 			"line": 28
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 20,
 			"line": 29
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'list'. This role is implicit on the element <ol>.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'list'. This role is implicit on the element <ol>",
 		"start": {
 			"column": 4,
 			"line": 29
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 20,
 			"line": 30
 		},
-		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'option'. This role is implicit on the element <option>.",
+		"message": "The attribute 'aria-invalid' is not supported by the role 'option'. This role is implicit on the element <option>",
 		"start": {
 			"column": 8,
 			"line": 30
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 26,
 			"line": 31
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'group'. This role is implicit on the element <optgroup>.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'group'. This role is implicit on the element <optgroup>",
 		"start": {
 			"column": 10,
 			"line": 31
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 22,
 			"line": 32
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'status'. This role is implicit on the element <output>.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'status'. This role is implicit on the element <output>",
 		"start": {
 			"column": 8,
 			"line": 32
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 27,
 			"line": 33
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'progressbar'. This role is implicit on the element <progress>.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'progressbar'. This role is implicit on the element <progress>",
 		"start": {
 			"column": 10,
 			"line": 33
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 21,
 			"line": 34
 		},
-		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'region'. This role is implicit on the element <section>.",
+		"message": "The attribute 'aria-invalid' is not supported by the role 'region'. This role is implicit on the element <section>",
 		"start": {
 			"column": 9,
 			"line": 34
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 26,
 			"line": 35
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'button'. This role is implicit on the element <summary>.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'button'. This role is implicit on the element <summary>",
 		"start": {
 			"column": 9,
 			"line": 35
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 23,
 			"line": 36
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'rowgroup'. This role is implicit on the element <tbody>.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'rowgroup'. This role is implicit on the element <tbody>",
 		"start": {
 			"column": 7,
 			"line": 36
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 27,
 			"line": 37
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'textbox'. This role is implicit on the element <textarea>.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'textbox'. This role is implicit on the element <textarea>",
 		"start": {
 			"column": 10,
 			"line": 37
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 20,
 			"line": 38
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'rowgroup'. This role is implicit on the element <tfoot>.",
+		"message": "The attribute 'aria-required' is not supported by the role 'rowgroup'. This role is implicit on the element <tfoot>",
 		"start": {
 			"column": 7,
 			"line": 38
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 24,
 			"line": 39
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'rowgroup'. This role is implicit on the element <thead>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'rowgroup'. This role is implicit on the element <thead>",
 		"start": {
 			"column": 7,
 			"line": 39
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 16,
 			"line": 40
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'row'. This role is implicit on the element <tr>.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'row'. This role is implicit on the element <tr>",
 		"start": {
 			"column": 4,
 			"line": 40
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 24,
 			"line": 41
 		},
-		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'list'. This role is implicit on the element <ul>.",
+		"message": "The attribute 'aria-multiselectable' is not supported by the role 'list'. This role is implicit on the element <ul>",
 		"start": {
 			"column": 4,
 			"line": 41
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 43
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'alert'.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'alert'",
 		"start": {
 			"column": 18,
 			"line": 43
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 50,
 			"line": 44
 		},
-		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'alertdialog'.",
+		"message": "The attribute 'aria-autocomplete' is not supported by the role 'alertdialog'",
 		"start": {
 			"column": 24,
 			"line": 44
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 45
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'application'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'application'",
 		"start": {
 			"column": 24,
 			"line": 45
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 46
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'article'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'article'",
 		"start": {
 			"column": 20,
 			"line": 46
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 45,
 			"line": 47
 		},
-		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'banner'.",
+		"message": "The attribute 'aria-autocomplete' is not supported by the role 'banner'",
 		"start": {
 			"column": 19,
 			"line": 47
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 40,
 			"line": 48
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'blockquote'.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'blockquote'",
 		"start": {
 			"column": 23,
 			"line": 48
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 49
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'button'.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'button'",
 		"start": {
 			"column": 19,
 			"line": 49
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 50
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'caption'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'caption'",
 		"start": {
 			"column": 20,
 			"line": 50
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 31,
 			"line": 51
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'cell'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'cell'",
 		"start": {
 			"column": 17,
 			"line": 51
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 52
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'checkbox'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'checkbox'",
 		"start": {
 			"column": 21,
 			"line": 52
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 53
 		},
-		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'code'.",
+		"message": "The attribute 'aria-invalid' is not supported by the role 'code'",
 		"start": {
 			"column": 17,
 			"line": 53
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 54
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'columnheader'.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'columnheader'",
 		"start": {
 			"column": 25,
 			"line": 54
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 55
 		},
-		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'combobox'.",
+		"message": "The attribute 'aria-multiselectable' is not supported by the role 'combobox'",
 		"start": {
 			"column": 21,
 			"line": 55
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 56
 		},
-		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'complementary'.",
+		"message": "The attribute 'aria-readonly' is not supported by the role 'complementary'",
 		"start": {
 			"column": 26,
 			"line": 56
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 57
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'contentinfo'.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'contentinfo'",
 		"start": {
 			"column": 24,
 			"line": 57
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 58
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'definition'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'definition'",
 		"start": {
 			"column": 23,
 			"line": 58
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 59
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'deletion'.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'deletion'",
 		"start": {
 			"column": 21,
 			"line": 59
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 33,
 			"line": 60
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'dialog'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'dialog'",
 		"start": {
 			"column": 19,
 			"line": 60
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 61
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'directory'.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'directory'",
 		"start": {
 			"column": 22,
 			"line": 61
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 62
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'document'.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'document'",
 		"start": {
 			"column": 21,
 			"line": 62
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 63
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'emphasis'.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'emphasis'",
 		"start": {
 			"column": 21,
 			"line": 63
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 64
 		},
-		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'feed'.",
+		"message": "The attribute 'aria-colindex' is not supported by the role 'feed'",
 		"start": {
 			"column": 17,
 			"line": 64
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 65
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'figure'.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'figure'",
 		"start": {
 			"column": 19,
 			"line": 65
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 30,
 			"line": 66
 		},
-		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'form'.",
+		"message": "The attribute 'aria-readonly' is not supported by the role 'form'",
 		"start": {
 			"column": 17,
 			"line": 66
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 67
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'generic'.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'generic'",
 		"start": {
 			"column": 20,
 			"line": 67
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 68
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'grid'.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'grid'",
 		"start": {
 			"column": 17,
 			"line": 68
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 69
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'gridcell'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'gridcell'",
 		"start": {
 			"column": 21,
 			"line": 69
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 70
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'group'.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'group'",
 		"start": {
 			"column": 18,
 			"line": 70
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 46,
 			"line": 71
 		},
-		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'heading'.",
+		"message": "The attribute 'aria-activedescendant' is not supported by the role 'heading'",
 		"start": {
 			"column": 20,
 			"line": 71
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 47,
 			"line": 72
 		},
-		"message": "A11y: The attribute 'aria-errormessage' is not supported by the role 'insertion'.",
+		"message": "The attribute 'aria-errormessage' is not supported by the role 'insertion'",
 		"start": {
 			"column": 22,
 			"line": 72
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 31,
 			"line": 73
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'link'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'link'",
 		"start": {
 			"column": 17,
 			"line": 73
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 30,
 			"line": 74
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'list'.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'list'",
 		"start": {
 			"column": 17,
 			"line": 74
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 33,
 			"line": 75
 		},
-		"message": "A11y: The attribute 'aria-haspopup' is not supported by the role 'listbox'.",
+		"message": "The attribute 'aria-haspopup' is not supported by the role 'listbox'",
 		"start": {
 			"column": 20,
 			"line": 75
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 47,
 			"line": 76
 		},
-		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'listitem'.",
+		"message": "The attribute 'aria-activedescendant' is not supported by the role 'listitem'",
 		"start": {
 			"column": 21,
 			"line": 76
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 77
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'log'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'log'",
 		"start": {
 			"column": 16,
 			"line": 77
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 33,
 			"line": 78
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'main'.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'main'",
 		"start": {
 			"column": 17,
 			"line": 78
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 46,
 			"line": 79
 		},
-		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'marquee'.",
+		"message": "The attribute 'aria-autocomplete' is not supported by the role 'marquee'",
 		"start": {
 			"column": 20,
 			"line": 79
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 31,
 			"line": 80
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'math'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'math'",
 		"start": {
 			"column": 17,
 			"line": 80
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 81
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'menu'.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'menu'",
 		"start": {
 			"column": 17,
 			"line": 81
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 45,
 			"line": 82
 		},
-		"message": "A11y: The attribute 'aria-errormessage' is not supported by the role 'menubar'.",
+		"message": "The attribute 'aria-errormessage' is not supported by the role 'menubar'",
 		"start": {
 			"column": 20,
 			"line": 82
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 33,
 			"line": 83
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'menuitem'.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'menuitem'",
 		"start": {
 			"column": 21,
 			"line": 83
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 84
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'menuitemcheckbox'.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'menuitemcheckbox'",
 		"start": {
 			"column": 29,
 			"line": 84
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 85
 		},
-		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'menuitemradio'.",
+		"message": "The attribute 'aria-rowspan' is not supported by the role 'menuitemradio'",
 		"start": {
 			"column": 26,
 			"line": 85
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 49,
 			"line": 86
 		},
-		"message": "A11y: The attribute 'aria-haspopup' is not supported by the role 'meter'.",
+		"message": "The attribute 'aria-haspopup' is not supported by the role 'meter'",
 		"start": {
 			"column": 36,
 			"line": 86
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 87
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'navigation'.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'navigation'",
 		"start": {
 			"column": 23,
 			"line": 87
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 88
 		},
-		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'none'.",
+		"message": "The attribute 'aria-placeholder' is not supported by the role 'none'",
 		"start": {
 			"column": 17,
 			"line": 88
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 27,
 			"line": 89
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'note'.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'note'",
 		"start": {
 			"column": 17,
 			"line": 89
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 50,
 			"line": 90
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'option'.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'option'",
 		"start": {
 			"column": 33,
 			"line": 90
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 91
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'paragraph'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'paragraph'",
 		"start": {
 			"column": 22,
 			"line": 91
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 92
 		},
-		"message": "A11y: The attribute 'aria-disabled' is not supported by the role 'presentation'.",
+		"message": "The attribute 'aria-disabled' is not supported by the role 'presentation'",
 		"start": {
 			"column": 25,
 			"line": 92
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 93
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'progressbar'.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'progressbar'",
 		"start": {
 			"column": 24,
 			"line": 93
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 48,
 			"line": 94
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'radio'.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'radio'",
 		"start": {
 			"column": 31,
 			"line": 94
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 40,
 			"line": 95
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'radiogroup'.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'radiogroup'",
 		"start": {
 			"column": 23,
 			"line": 95
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 96
 		},
-		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'region'.",
+		"message": "The attribute 'aria-rowspan' is not supported by the role 'region'",
 		"start": {
 			"column": 19,
 			"line": 96
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 97
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'row'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'row'",
 		"start": {
 			"column": 16,
 			"line": 97
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 98
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'rowgroup'.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'rowgroup'",
 		"start": {
 			"column": 21,
 			"line": 98
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 48,
 			"line": 99
 		},
-		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'rowheader'.",
+		"message": "The attribute 'aria-activedescendant' is not supported by the role 'rowheader'",
 		"start": {
 			"column": 22,
 			"line": 99
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 75,
 			"line": 100
 		},
-		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'scrollbar'.",
+		"message": "The attribute 'aria-rowspan' is not supported by the role 'scrollbar'",
 		"start": {
 			"column": 59,
 			"line": 100
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 45,
 			"line": 101
 		},
-		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'search'.",
+		"message": "The attribute 'aria-autocomplete' is not supported by the role 'search'",
 		"start": {
 			"column": 19,
 			"line": 101
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 102
 		},
-		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'searchbox'.",
+		"message": "The attribute 'aria-colindex' is not supported by the role 'searchbox'",
 		"start": {
 			"column": 22,
 			"line": 102
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 103
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'separator'.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'separator'",
 		"start": {
 			"column": 22,
 			"line": 103
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 56,
 			"line": 104
 		},
-		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'slider'.",
+		"message": "The attribute 'aria-placeholder' is not supported by the role 'slider'",
 		"start": {
 			"column": 37,
 			"line": 104
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 40,
 			"line": 105
 		},
-		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'spinbutton'.",
+		"message": "The attribute 'aria-posinset' is not supported by the role 'spinbutton'",
 		"start": {
 			"column": 23,
 			"line": 105
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 106
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'status'.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'status'",
 		"start": {
 			"column": 19,
 			"line": 106
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 107
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'strong'.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'strong'",
 		"start": {
 			"column": 19,
 			"line": 107
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 108
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'subscript'.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'subscript'",
 		"start": {
 			"column": 22,
 			"line": 108
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 109
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'superscript'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'superscript'",
 		"start": {
 			"column": 24,
 			"line": 109
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 49,
 			"line": 110
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'switch'.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'switch'",
 		"start": {
 			"column": 32,
 			"line": 110
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 29,
 			"line": 111
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'tab'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'tab'",
 		"start": {
 			"column": 16,
 			"line": 111
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 28,
 			"line": 112
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'table'.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'table'",
 		"start": {
 			"column": 18,
 			"line": 112
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 113
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'tablist'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'tablist'",
 		"start": {
 			"column": 20,
 			"line": 113
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 114
 		},
-		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'tabpanel'.",
+		"message": "The attribute 'aria-multiselectable' is not supported by the role 'tabpanel'",
 		"start": {
 			"column": 21,
 			"line": 114
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 115
 		},
-		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'term'.",
+		"message": "The attribute 'aria-posinset' is not supported by the role 'term'",
 		"start": {
 			"column": 17,
 			"line": 115
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 116
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'textbox'.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'textbox'",
 		"start": {
 			"column": 20,
 			"line": 116
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 30,
 			"line": 117
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'time'.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'time'",
 		"start": {
 			"column": 17,
 			"line": 117
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 118
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'timer'.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'timer'",
 		"start": {
 			"column": 18,
 			"line": 118
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 119
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'toolbar'.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'toolbar'",
 		"start": {
 			"column": 20,
 			"line": 119
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 34,
 			"line": 120
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'tooltip'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'tooltip'",
 		"start": {
 			"column": 20,
 			"line": 120
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 30,
 			"line": 121
 		},
-		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'tree'.",
+		"message": "The attribute 'aria-expanded' is not supported by the role 'tree'",
 		"start": {
 			"column": 17,
 			"line": 121
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 122
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'treegrid'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'treegrid'",
 		"start": {
 			"column": 21,
 			"line": 122
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 61,
 			"line": 123
 		},
-		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'treeitem'.",
+		"message": "The attribute 'aria-activedescendant' is not supported by the role 'treeitem'",
 		"start": {
 			"column": 35,
 			"line": 123
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 124
 		},
-		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'doc-abstract'.",
+		"message": "The attribute 'aria-colindex' is not supported by the role 'doc-abstract'",
 		"start": {
 			"column": 25,
 			"line": 124
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 48,
 			"line": 125
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-acknowledgments'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'doc-acknowledgments'",
 		"start": {
 			"column": 32,
 			"line": 125
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 126
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-afterword'.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'doc-afterword'",
 		"start": {
 			"column": 26,
 			"line": 126
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 51,
 			"line": 127
 		},
-		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'doc-appendix'.",
+		"message": "The attribute 'aria-activedescendant' is not supported by the role 'doc-appendix'",
 		"start": {
 			"column": 25,
 			"line": 127
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 128
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'doc-backlink'.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'doc-backlink'",
 		"start": {
 			"column": 25,
 			"line": 128
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 45,
 			"line": 129
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'doc-biblioentry'.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'doc-biblioentry'",
 		"start": {
 			"column": 28,
 			"line": 129
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 43,
 			"line": 130
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'doc-bibliography'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'doc-bibliography'",
 		"start": {
 			"column": 29,
 			"line": 130
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 131
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'doc-biblioref'.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'doc-biblioref'",
 		"start": {
 			"column": 26,
 			"line": 131
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 132
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'doc-chapter'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'doc-chapter'",
 		"start": {
 			"column": 24,
 			"line": 132
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 133
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-colophon'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'doc-colophon'",
 		"start": {
 			"column": 25,
 			"line": 133
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 44,
 			"line": 134
 		},
-		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'doc-conclusion'.",
+		"message": "The attribute 'aria-colindex' is not supported by the role 'doc-conclusion'",
 		"start": {
 			"column": 27,
 			"line": 134
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 32,
 			"line": 135
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-cover'.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'doc-cover'",
 		"start": {
 			"column": 22,
 			"line": 135
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 136
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'doc-credit'.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'doc-credit'",
 		"start": {
 			"column": 23,
 			"line": 136
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 52,
 			"line": 137
 		},
-		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'doc-credits'.",
+		"message": "The attribute 'aria-orientation' is not supported by the role 'doc-credits'",
 		"start": {
 			"column": 24,
 			"line": 137
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 138
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'doc-dedication'.",
+		"message": "The attribute 'aria-level' is not supported by the role 'doc-dedication'",
 		"start": {
 			"column": 27,
 			"line": 138
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 139
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'doc-endnote'.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'doc-endnote'",
 		"start": {
 			"column": 24,
 			"line": 139
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 140
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'doc-endnotes'.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'doc-endnotes'",
 		"start": {
 			"column": 25,
 			"line": 140
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 141
 		},
-		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'doc-epigraph'.",
+		"message": "The attribute 'aria-multiline' is not supported by the role 'doc-epigraph'",
 		"start": {
 			"column": 25,
 			"line": 141
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 142
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'doc-epilogue'.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'doc-epilogue'",
 		"start": {
 			"column": 25,
 			"line": 142
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 143
 		},
-		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'doc-errata'.",
+		"message": "The attribute 'aria-sort' is not supported by the role 'doc-errata'",
 		"start": {
 			"column": 23,
 			"line": 143
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 44,
 			"line": 144
 		},
-		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'doc-example'.",
+		"message": "The attribute 'aria-multiselectable' is not supported by the role 'doc-example'",
 		"start": {
 			"column": 24,
 			"line": 144
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 145
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-footnote'.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'doc-footnote'",
 		"start": {
 			"column": 25,
 			"line": 145
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 146
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-foreword'.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'doc-foreword'",
 		"start": {
 			"column": 25,
 			"line": 146
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 147
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'doc-glossary'.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'doc-glossary'",
 		"start": {
 			"column": 25,
 			"line": 147
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 44,
 			"line": 148
 		},
-		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'doc-glossref'.",
+		"message": "The attribute 'aria-placeholder' is not supported by the role 'doc-glossref'",
 		"start": {
 			"column": 25,
 			"line": 148
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 39,
 			"line": 149
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-index'.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'doc-index'",
 		"start": {
 			"column": 22,
 			"line": 149
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 150
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'doc-introduction'.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'doc-introduction'",
 		"start": {
 			"column": 29,
 			"line": 150
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 41,
 			"line": 151
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-noteref'.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'doc-noteref'",
 		"start": {
 			"column": 24,
 			"line": 151
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 152
 		},
-		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'doc-notice'.",
+		"message": "The attribute 'aria-selected' is not supported by the role 'doc-notice'",
 		"start": {
 			"column": 23,
 			"line": 152
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 43,
 			"line": 153
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-pagebreak'.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'doc-pagebreak'",
 		"start": {
 			"column": 26,
 			"line": 153
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 35,
 			"line": 154
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-pagelist'.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'doc-pagelist'",
 		"start": {
 			"column": 25,
 			"line": 154
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 155
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-part'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'doc-part'",
 		"start": {
 			"column": 21,
 			"line": 155
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 52,
 			"line": 156
 		},
-		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'doc-preface'.",
+		"message": "The attribute 'aria-orientation' is not supported by the role 'doc-preface'",
 		"start": {
 			"column": 24,
 			"line": 156
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 38,
 			"line": 157
 		},
-		"message": "A11y: The attribute 'aria-required' is not supported by the role 'doc-prologue'.",
+		"message": "The attribute 'aria-required' is not supported by the role 'doc-prologue'",
 		"start": {
 			"column": 25,
 			"line": 157
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 43,
 			"line": 158
 		},
-		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-pullquote'.",
+		"message": "The attribute 'aria-rowcount' is not supported by the role 'doc-pullquote'",
 		"start": {
 			"column": 26,
 			"line": 158
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 36,
 			"line": 159
 		},
-		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-qna'.",
+		"message": "The attribute 'aria-setsize' is not supported by the role 'doc-qna'",
 		"start": {
 			"column": 20,
 			"line": 159
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 42,
 			"line": 160
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'doc-subtitle'.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'doc-subtitle'",
 		"start": {
 			"column": 25,
 			"line": 160
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 161
 		},
-		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-tip'.",
+		"message": "The attribute 'aria-valuenow' is not supported by the role 'doc-tip'",
 		"start": {
 			"column": 20,
 			"line": 161
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props",
 		"end": {
 			"column": 37,
 			"line": 162
 		},
-		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'doc-toc'.",
+		"message": "The attribute 'aria-posinset' is not supported by the role 'doc-toc'",
 		"start": {
 			"column": 20,
 			"line": 162
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 35,
 			"line": 166
 		},
-		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-rowspan' is not supported by the role 'textbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 19,
 			"line": 166
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 30,
 			"line": 167
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 18,
 			"line": 167
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 32,
 			"line": 168
 		},
-		"message": "A11y: The attribute 'aria-level' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-level' is not supported by the role 'textbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 18,
 			"line": 168
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 32,
 			"line": 169
 		},
-		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 20,
 			"line": 169
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 42,
 			"line": 170
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'searchbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'searchbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 21,
 			"line": 170
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 50,
 			"line": 171
 		},
-		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-valuemin' is not supported by the role 'combobox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 33,
 			"line": 171
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 48,
 			"line": 172
 		},
-		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-colspan' is not supported by the role 'combobox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 32,
 			"line": 172
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 49,
 			"line": 173
 		},
-		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-posinset' is not supported by the role 'combobox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 32,
 			"line": 173
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 44,
 			"line": 174
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'combobox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 34,
 			"line": 174
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 52,
 			"line": 175
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'combobox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 35,
 			"line": 175
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 53,
 			"line": 176
 		},
-		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <input>",
 		"start": {
 			"column": 36,
 			"line": 176
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 30,
 			"line": 177
 		},
-		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-modal' is not supported by the role 'button'. This role is implicit on the element <input>",
 		"start": {
 			"column": 20,
 			"line": 177
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 51,
 			"line": 178
 		},
-		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-placeholder' is not supported by the role 'button'. This role is implicit on the element <input>",
 		"start": {
 			"column": 21,
 			"line": 178
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 40,
 			"line": 179
 		},
-		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'checkbox'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-rowindex' is not supported by the role 'checkbox'. This role is implicit on the element <input>",
 		"start": {
 			"column": 23,
 			"line": 179
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 41,
 			"line": 180
 		},
-		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'radio'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-valuetext' is not supported by the role 'radio'. This role is implicit on the element <input>",
 		"start": {
 			"column": 20,
 			"line": 180
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 32,
 			"line": 181
 		},
-		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'slider'. This role is implicit on the element <input>.",
+		"message": "The attribute 'aria-checked' is not supported by the role 'slider'. This role is implicit on the element <input>",
 		"start": {
 			"column": 20,
 			"line": 181
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 42,
 			"line": 182
 		},
-		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'menuitem'. This role is implicit on the element <menuitem>.",
+		"message": "The attribute 'aria-colindex' is not supported by the role 'menuitem'. This role is implicit on the element <menuitem>",
 		"start": {
 			"column": 25,
 			"line": 182
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 43,
 			"line": 183
 		},
-		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'menuitemcheckbox'. This role is implicit on the element <menuitem>.",
+		"message": "The attribute 'aria-colcount' is not supported by the role 'menuitemcheckbox'. This role is implicit on the element <menuitem>",
 		"start": {
 			"column": 26,
 			"line": 183
 		}
 	},
 	{
-		"code": "a11y-role-supports-aria-props",
+		"code": "a11y_role_supports_aria_props_implicit",
 		"end": {
 			"column": 53,
 			"line": 184
 		},
-		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'menuitemradio'. This role is implicit on the element <menuitem>.",
+		"message": "The attribute 'aria-placeholder' is not supported by the role 'menuitemradio'. This role is implicit on the element <menuitem>",
 		"start": {
 			"column": 23,
 			"line": 184
diff --git a/packages/svelte/tests/validator/samples/a11y-scope/warnings.json b/packages/svelte/tests/validator/samples/a11y-scope/warnings.json
index b8e36cef5d..79ea2416fd 100644
--- a/packages/svelte/tests/validator/samples/a11y-scope/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-scope/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-misplaced-scope",
-		"message": "A11y: The scope attribute should only be used with <th> elements",
+		"code": "a11y_misplaced_scope",
+		"message": "The scope attribute should only be used with <th> elements",
 		"start": {
 			"line": 6,
 			"column": 5
diff --git a/packages/svelte/tests/validator/samples/a11y-tabindex-no-positive/warnings.json b/packages/svelte/tests/validator/samples/a11y-tabindex-no-positive/warnings.json
index 455c4998e4..d98b26dfd3 100644
--- a/packages/svelte/tests/validator/samples/a11y-tabindex-no-positive/warnings.json
+++ b/packages/svelte/tests/validator/samples/a11y-tabindex-no-positive/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-positive-tabindex",
-		"message": "A11y: avoid tabindex values above zero",
+		"code": "a11y_positive_tabindex",
+		"message": "Avoid tabindex values above zero",
 		"start": {
 			"line": 7,
 			"column": 8
diff --git a/packages/svelte/tests/validator/samples/component-dynamic/input.svelte b/packages/svelte/tests/validator/samples/component-dynamic/input.svelte
index 241a33c5ea..7f52353e36 100644
--- a/packages/svelte/tests/validator/samples/component-dynamic/input.svelte
+++ b/packages/svelte/tests/validator/samples/component-dynamic/input.svelte
@@ -18,13 +18,13 @@
 <svelte:component this={Let} />
 
 <!-- Here, we test to see if svelte-ignore works with reactive-component -->
-<!-- svelte-ignore reactive-component -->
+<!-- svelte-ignore reactive_component -->
 <Let />
 <div>
-  <!-- svelte-ignore reactive-component -->
+  <!-- svelte-ignore reactive_component -->
   <ExportLet />
   <div>
-    <!-- svelte-ignore reactive-component -->
+    <!-- svelte-ignore reactive_component -->
     <Reactive />
   </div>
 </div>
diff --git a/packages/svelte/tests/validator/samples/component-dynamic/warnings.json b/packages/svelte/tests/validator/samples/component-dynamic/warnings.json
index 58d07677b8..49fb9e4334 100644
--- a/packages/svelte/tests/validator/samples/component-dynamic/warnings.json
+++ b/packages/svelte/tests/validator/samples/component-dynamic/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "reactive-component",
+		"code": "reactive_component",
 		"message": "<Let/> will not be reactive if Let changes. Use <svelte:component this={Let}/> if you want this reactivity.",
 		"end": {
 			"column": 7,
@@ -13,7 +13,7 @@
 	},
 	{
 		"message": "<ExportLet/> will not be reactive if ExportLet changes. Use <svelte:component this={ExportLet}/> if you want this reactivity.",
-		"code": "reactive-component",
+		"code": "reactive_component",
 		"end": {
 			"column": 13,
 			"line": 16
@@ -25,7 +25,7 @@
 	},
 	{
 		"message": "<Reactive/> will not be reactive if Reactive changes. Use <svelte:component this={Reactive}/> if you want this reactivity.",
-		"code": "reactive-component",
+		"code": "reactive_component",
 		"end": {
 			"column": 12,
 			"line": 17
diff --git a/packages/svelte/tests/validator/samples/component-name-lowercase/warnings.json b/packages/svelte/tests/validator/samples/component-name-lowercase/warnings.json
index d5ddbf1cc5..e330d53f17 100644
--- a/packages/svelte/tests/validator/samples/component-name-lowercase/warnings.json
+++ b/packages/svelte/tests/validator/samples/component-name-lowercase/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "component-name-lowercase",
+		"code": "component_name_lowercase",
 		"message": "<thisShouldWarnMe> will be treated as an HTML element unless it begins with a capital letter",
 		"start": {
 			"column": 0,
diff --git a/packages/svelte/tests/validator/samples/empty-block/warnings.json b/packages/svelte/tests/validator/samples/empty-block/warnings.json
index b86dab6f72..461a4aecc9 100644
--- a/packages/svelte/tests/validator/samples/empty-block/warnings.json
+++ b/packages/svelte/tests/validator/samples/empty-block/warnings.json
@@ -1,26 +1,50 @@
 [
 	{
-		"code": "empty-block",
+		"code": "empty_block",
 		"message": "Empty block",
-		"start": { "line": 13, "column": 23 },
-		"end": { "line": 15, "column": 0 }
+		"start": {
+			"line": 13,
+			"column": 23
+		},
+		"end": {
+			"line": 15,
+			"column": 0
+		}
 	},
 	{
-		"code": "empty-block",
+		"code": "empty_block",
 		"message": "Empty block",
-		"start": { "line": 16, "column": 10 },
-		"end": { "line": 16, "column": 11 }
+		"start": {
+			"line": 16,
+			"column": 10
+		},
+		"end": {
+			"line": 16,
+			"column": 11
+		}
 	},
 	{
-		"code": "empty-block",
+		"code": "empty_block",
 		"message": "Empty block",
-		"start": { "line": 17, "column": 13 },
-		"end": { "line": 17, "column": 14 }
+		"start": {
+			"line": 17,
+			"column": 13
+		},
+		"end": {
+			"line": 17,
+			"column": 14
+		}
 	},
 	{
-		"code": "empty-block",
+		"code": "empty_block",
 		"message": "Empty block",
-		"start": { "line": 18, "column": 16 },
-		"end": { "line": 18, "column": 17 }
+		"start": {
+			"line": 18,
+			"column": 16
+		},
+		"end": {
+			"line": 18,
+			"column": 17
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/error-mode-warn/warnings.json b/packages/svelte/tests/validator/samples/error-mode-warn/warnings.json
index 0262068c81..84c1eeca61 100644
--- a/packages/svelte/tests/validator/samples/error-mode-warn/warnings.json
+++ b/packages/svelte/tests/validator/samples/error-mode-warn/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "invalid-const-assignment",
+		"code": "invalid_const_assignment",
 		"message": "Invalid assignment to const",
 		"start": {
 			"line": 5,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "invalid-binding-value",
+		"code": "invalid_binding_value",
 		"message": "Can only bind to state or props",
 		"end": {
 			"column": 29,
diff --git a/packages/svelte/tests/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json b/packages/svelte/tests/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
index 8783cb30ab..e29a0818c3 100644
--- a/packages/svelte/tests/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
+++ b/packages/svelte/tests/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "css-unused-selector",
+		"code": "css_unused_selector",
 		"message": "Unused CSS selector \"h1 ~ slot > p\"",
 		"start": {
 			"column": 1,
diff --git a/packages/svelte/tests/validator/samples/global-event-reference/warnings.json b/packages/svelte/tests/validator/samples/global-event-reference/warnings.json
index ccc1e482b5..f6f6f1dc18 100644
--- a/packages/svelte/tests/validator/samples/global-event-reference/warnings.json
+++ b/packages/svelte/tests/validator/samples/global-event-reference/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "global-event-reference",
+		"code": "global_event_reference",
 		"message": "You are referencing globalThis.onkeydown. Did you forget to declare a variable with that name?",
 		"start": {
 			"column": 8,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "global-event-reference",
+		"code": "global_event_reference",
 		"message": "You are referencing globalThis.onkeydown. Did you forget to declare a variable with that name?",
 		"start": {
 			"column": 8,
diff --git a/packages/svelte/tests/validator/samples/ignore-warning/input.svelte b/packages/svelte/tests/validator/samples/ignore-warning/input.svelte
index c4e7556d74..cfbe0e538d 100644
--- a/packages/svelte/tests/validator/samples/ignore-warning/input.svelte
+++ b/packages/svelte/tests/validator/samples/ignore-warning/input.svelte
@@ -1,7 +1,7 @@
-<!-- svelte-ignore a11y-missing-attribute -->
+<!-- svelte-ignore a11y_missing_attribute -->
 <div>
 	<img src="this-is-fine.jpg">
 	<marquee>but this is still discouraged</marquee>
 </div>
 
-<img src="potato.jpg">
\ No newline at end of file
+<img src="potato.jpg">
diff --git a/packages/svelte/tests/validator/samples/ignore-warning/warnings.json b/packages/svelte/tests/validator/samples/ignore-warning/warnings.json
index 51c940b807..6d1eaf74ad 100644
--- a/packages/svelte/tests/validator/samples/ignore-warning/warnings.json
+++ b/packages/svelte/tests/validator/samples/ignore-warning/warnings.json
@@ -1,23 +1,23 @@
 [
 	{
-		"code": "a11y-distracting-elements",
+		"code": "a11y_distracting_elements",
 		"end": {
 			"column": 49,
 			"line": 4
 		},
-		"message": "A11y: Avoid <marquee> elements",
+		"message": "Avoid <marquee> elements",
 		"start": {
 			"column": 1,
 			"line": 4
 		}
 	},
 	{
-		"code": "a11y-missing-attribute",
+		"code": "a11y_missing_attribute",
 		"end": {
 			"column": 22,
 			"line": 7
 		},
-		"message": "A11y: <img> element should have an alt attribute",
+		"message": "<img> element should have an alt attribute",
 		"start": {
 			"column": 0,
 			"line": 7
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/input.svelte b/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/input.svelte
index 2843a890ce..371d06b6e7 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/input.svelte
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/input.svelte
@@ -1,4 +1,4 @@
-<!-- svelte-ignore a11y-structure a11y-missing-attribute -->
+<!-- svelte-ignore a11y_figcaption_parent a11y_missing_attribute -->
 <div>
 	<figure>
 		<img src="potato.jpg">
@@ -7,11 +7,11 @@
 		</marquee>
 	</figure>
 
-	<!-- svelte-ignore a11y-distracting-elements -->
+	<!-- svelte-ignore a11y_distracting_elements -->
 	<figure>
 		<img src="potato.jpg">
 		<marquee>
 			<figcaption>potato</figcaption>
 		</marquee>
 	</figure>
-</div>
\ No newline at end of file
+</div>
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/warnings.json b/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/warnings.json
index 26add431e0..1644aeb831 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/warnings.json
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-cumulative/warnings.json
@@ -1,11 +1,11 @@
 [
 	{
-		"code": "a11y-distracting-elements",
+		"code": "a11y_distracting_elements",
 		"end": {
 			"column": 12,
 			"line": 7
 		},
-		"message": "A11y: Avoid <marquee> elements",
+		"message": "Avoid <marquee> elements",
 		"start": {
 			"column": 2,
 			"line": 5
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-newline/input.svelte b/packages/svelte/tests/validator/samples/ignore-warnings-newline/input.svelte
index c75a91c630..8471d1d539 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-newline/input.svelte
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-newline/input.svelte
@@ -1,8 +1,8 @@
-<!-- svelte-ignore a11y-missing-attribute
-                   a11y-distracting-elements -->
+<!-- svelte-ignore a11y_missing_attribute
+                   a11y_distracting_elements -->
 <div>
 	<img src="this-is-fine.jpg">
 	<marquee>but this is still discouraged</marquee>
 </div>
 
-<img src="potato.jpg">
\ No newline at end of file
+<img src="potato.jpg">
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-newline/warnings.json b/packages/svelte/tests/validator/samples/ignore-warnings-newline/warnings.json
index 03fade839a..eb75343b4e 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-newline/warnings.json
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-newline/warnings.json
@@ -1,11 +1,11 @@
 [
 	{
-		"code": "a11y-missing-attribute",
+		"code": "a11y_missing_attribute",
 		"end": {
 			"column": 22,
 			"line": 8
 		},
-		"message": "A11y: <img> element should have an alt attribute",
+		"message": "<img> element should have an alt attribute",
 		"start": {
 			"column": 0,
 			"line": 8
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-stacked/input.svelte b/packages/svelte/tests/validator/samples/ignore-warnings-stacked/input.svelte
index c6edb7240a..5a7f8477ab 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-stacked/input.svelte
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-stacked/input.svelte
@@ -1,8 +1,8 @@
-<!-- svelte-ignore a11y-missing-attribute -->
-<!-- svelte-ignore a11y-distracting-elements -->
+<!-- svelte-ignore a11y_missing_attribute -->
+<!-- svelte-ignore a11y_distracting_elements -->
 <div>
 	<img src="this-is-fine.jpg">
 	<marquee>but this is still discouraged</marquee>
 </div>
 
-<img src="potato.jpg">
\ No newline at end of file
+<img src="potato.jpg">
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings-stacked/warnings.json b/packages/svelte/tests/validator/samples/ignore-warnings-stacked/warnings.json
index 03fade839a..eb75343b4e 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings-stacked/warnings.json
+++ b/packages/svelte/tests/validator/samples/ignore-warnings-stacked/warnings.json
@@ -1,11 +1,11 @@
 [
 	{
-		"code": "a11y-missing-attribute",
+		"code": "a11y_missing_attribute",
 		"end": {
 			"column": 22,
 			"line": 8
 		},
-		"message": "A11y: <img> element should have an alt attribute",
+		"message": "<img> element should have an alt attribute",
 		"start": {
 			"column": 0,
 			"line": 8
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings/input.svelte b/packages/svelte/tests/validator/samples/ignore-warnings/input.svelte
index 5fd7229f9a..a3999ad901 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings/input.svelte
+++ b/packages/svelte/tests/validator/samples/ignore-warnings/input.svelte
@@ -1,7 +1,7 @@
-<!-- svelte-ignore a11y-missing-attribute a11y-distracting-elements -->
+<!-- svelte-ignore a11y_missing_attribute a11y_distracting_elements -->
 <div>
 	<img src="this-is-fine.jpg">
 	<marquee>but this is still discouraged</marquee>
 </div>
 
-<img src="potato.jpg">
\ No newline at end of file
+<img src="potato.jpg">
diff --git a/packages/svelte/tests/validator/samples/ignore-warnings/warnings.json b/packages/svelte/tests/validator/samples/ignore-warnings/warnings.json
index 9a5be15ae7..3cc9ba0a39 100644
--- a/packages/svelte/tests/validator/samples/ignore-warnings/warnings.json
+++ b/packages/svelte/tests/validator/samples/ignore-warnings/warnings.json
@@ -1,11 +1,11 @@
 [
 	{
-		"code": "a11y-missing-attribute",
+		"code": "a11y_missing_attribute",
 		"end": {
 			"column": 22,
 			"line": 7
 		},
-		"message": "A11y: <img> element should have an alt attribute",
+		"message": "<img> element should have an alt attribute",
 		"start": {
 			"column": 0,
 			"line": 7
diff --git a/packages/svelte/tests/validator/samples/illegal-attribute-character/warnings.json b/packages/svelte/tests/validator/samples/illegal-attribute-character/warnings.json
index 391bb187ea..18b5b6f202 100644
--- a/packages/svelte/tests/validator/samples/illegal-attribute-character/warnings.json
+++ b/packages/svelte/tests/validator/samples/illegal-attribute-character/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "illegal-attribute-character",
+		"code": "illegal_attribute_character",
 		"end": {
 			"column": 15,
 			"line": 14
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "illegal-attribute-character",
+		"code": "illegal_attribute_character",
 		"end": {
 			"column": 10,
 			"line": 15
diff --git a/packages/svelte/tests/validator/samples/inline-new-class-2/warnings.json b/packages/svelte/tests/validator/samples/inline-new-class-2/warnings.json
index 6956314377..8d1918f8c6 100644
--- a/packages/svelte/tests/validator/samples/inline-new-class-2/warnings.json
+++ b/packages/svelte/tests/validator/samples/inline-new-class-2/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "avoid-nested-class",
+		"code": "avoid_nested_class",
 		"message": "Avoid declaring classes below the top level scope",
 		"start": {
 			"column": 2,
diff --git a/packages/svelte/tests/validator/samples/inline-new-class-4/warnings.json b/packages/svelte/tests/validator/samples/inline-new-class-4/warnings.json
index 71beba537f..73f1293158 100644
--- a/packages/svelte/tests/validator/samples/inline-new-class-4/warnings.json
+++ b/packages/svelte/tests/validator/samples/inline-new-class-4/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "avoid-inline-class",
+		"code": "avoid_inline_class",
 		"message": "Avoid 'new class' — instead, declare the class at the top level scope",
 		"start": {
 			"column": 12,
diff --git a/packages/svelte/tests/validator/samples/inline-new-class/warnings.json b/packages/svelte/tests/validator/samples/inline-new-class/warnings.json
index 6995428bee..16f2e2c3c2 100644
--- a/packages/svelte/tests/validator/samples/inline-new-class/warnings.json
+++ b/packages/svelte/tests/validator/samples/inline-new-class/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "avoid-inline-class",
+		"code": "avoid_inline_class",
 		"message": "Avoid 'new class' — instead, declare the class at the top level scope",
 		"start": {
 			"column": 11,
diff --git a/packages/svelte/tests/validator/samples/invalid-self-closing-tag/warnings.json b/packages/svelte/tests/validator/samples/invalid-self-closing-tag/warnings.json
index 772140c44e..4e377fa9f1 100644
--- a/packages/svelte/tests/validator/samples/invalid-self-closing-tag/warnings.json
+++ b/packages/svelte/tests/validator/samples/invalid-self-closing-tag/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "invalid-self-closing-tag",
+		"code": "invalid_self_closing_tag",
 		"message": "Self-closing HTML tags for non-void elements are ambiguous — use <div ...></div> rather than <div ... />",
 		"start": {
 			"line": 6,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "invalid-self-closing-tag",
+		"code": "invalid_self_closing_tag",
 		"message": "Self-closing HTML tags for non-void elements are ambiguous — use <my-thing ...></my-thing> rather than <my-thing ... />",
 		"start": {
 			"line": 7,
diff --git a/packages/svelte/tests/validator/samples/module-script-reactive-declaration/warnings.json b/packages/svelte/tests/validator/samples/module-script-reactive-declaration/warnings.json
index df53ed6123..60fe159479 100644
--- a/packages/svelte/tests/validator/samples/module-script-reactive-declaration/warnings.json
+++ b/packages/svelte/tests/validator/samples/module-script-reactive-declaration/warnings.json
@@ -1,8 +1,14 @@
 [
 	{
 		"message": "Reactive declarations only exist at the top level of the instance script",
-		"code": "no-reactive-declaration",
-		"start": { "line": 4, "column": 1 },
-		"end": { "line": 4, "column": 23 }
+		"code": "no_reactive_declaration",
+		"start": {
+			"line": 4,
+			"column": 1
+		},
+		"end": {
+			"line": 4,
+			"column": 23
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/reactive-declaration-non-top-level/warnings.json b/packages/svelte/tests/validator/samples/reactive-declaration-non-top-level/warnings.json
index f7598524e2..452333ed98 100644
--- a/packages/svelte/tests/validator/samples/reactive-declaration-non-top-level/warnings.json
+++ b/packages/svelte/tests/validator/samples/reactive-declaration-non-top-level/warnings.json
@@ -1,8 +1,14 @@
 [
 	{
 		"message": "Reactive declarations only exist at the top level of the instance script",
-		"code": "no-reactive-declaration",
-		"start": { "line": 6, "column": 2 },
-		"end": { "line": 6, "column": 22 }
+		"code": "no_reactive_declaration",
+		"start": {
+			"line": 6,
+			"column": 2
+		},
+		"end": {
+			"line": 6,
+			"column": 22
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/reactive-module-variable/warnings.json b/packages/svelte/tests/validator/samples/reactive-module-variable/warnings.json
index 60701e30b7..f47e0e4952 100644
--- a/packages/svelte/tests/validator/samples/reactive-module-variable/warnings.json
+++ b/packages/svelte/tests/validator/samples/reactive-module-variable/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "module-script-reactive-declaration",
+		"code": "module_script_reactive_declaration",
 		"message": "All dependencies of the reactive declaration are declared in a module script and will not be reactive",
 		"start": {
 			"column": 1,
diff --git a/packages/svelte/tests/validator/samples/rest-eachblock-binding-2/warnings.json b/packages/svelte/tests/validator/samples/rest-eachblock-binding-2/warnings.json
index 64d71823dd..08cf4a4752 100644
--- a/packages/svelte/tests/validator/samples/rest-eachblock-binding-2/warnings.json
+++ b/packages/svelte/tests/validator/samples/rest-eachblock-binding-2/warnings.json
@@ -1,8 +1,14 @@
 [
 	{
-		"code": "invalid-rest-eachblock-binding",
+		"code": "invalid_rest_eachblock_binding",
 		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
-		"start": { "line": 8, "column": 27 },
-		"end": { "line": 8, "column": 31 }
+		"start": {
+			"line": 8,
+			"column": 27
+		},
+		"end": {
+			"line": 8,
+			"column": 31
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/rest-eachblock-binding-3/warnings.json b/packages/svelte/tests/validator/samples/rest-eachblock-binding-3/warnings.json
index cad7a4e0fe..55a2c2d7a5 100644
--- a/packages/svelte/tests/validator/samples/rest-eachblock-binding-3/warnings.json
+++ b/packages/svelte/tests/validator/samples/rest-eachblock-binding-3/warnings.json
@@ -1,8 +1,14 @@
 [
 	{
-		"code": "invalid-rest-eachblock-binding",
+		"code": "invalid_rest_eachblock_binding",
 		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
-		"start": { "line": 5, "column": 35 },
-		"end": { "line": 5, "column": 39 }
+		"start": {
+			"line": 5,
+			"column": 35
+		},
+		"end": {
+			"line": 5,
+			"column": 39
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/rest-eachblock-binding-nested-rest/warnings.json b/packages/svelte/tests/validator/samples/rest-eachblock-binding-nested-rest/warnings.json
index e8615de680..f457198a7d 100644
--- a/packages/svelte/tests/validator/samples/rest-eachblock-binding-nested-rest/warnings.json
+++ b/packages/svelte/tests/validator/samples/rest-eachblock-binding-nested-rest/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "invalid-rest-eachblock-binding",
+		"code": "invalid_rest_eachblock_binding",
 		"end": {
 			"column": 37,
 			"line": 5
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "invalid-rest-eachblock-binding",
+		"code": "invalid_rest_eachblock_binding",
 		"end": {
 			"column": 50,
 			"line": 5
diff --git a/packages/svelte/tests/validator/samples/rest-eachblock-binding/warnings.json b/packages/svelte/tests/validator/samples/rest-eachblock-binding/warnings.json
index 68ae480882..0841781c7f 100644
--- a/packages/svelte/tests/validator/samples/rest-eachblock-binding/warnings.json
+++ b/packages/svelte/tests/validator/samples/rest-eachblock-binding/warnings.json
@@ -1,8 +1,14 @@
 [
 	{
-		"code": "invalid-rest-eachblock-binding",
+		"code": "invalid_rest_eachblock_binding",
 		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
-		"start": { "line": 5, "column": 28 },
-		"end": { "line": 5, "column": 32 }
+		"start": {
+			"line": 5,
+			"column": 28
+		},
+		"end": {
+			"line": 5,
+			"column": 32
+		}
 	}
 ]
diff --git a/packages/svelte/tests/validator/samples/runes-bindable-not-called/warnings.json b/packages/svelte/tests/validator/samples/runes-bindable-not-called/warnings.json
index ebcd065f31..f6d4927f60 100644
--- a/packages/svelte/tests/validator/samples/runes-bindable-not-called/warnings.json
+++ b/packages/svelte/tests/validator/samples/runes-bindable-not-called/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "invalid-bindable-declaration",
-		"message": "Bindable component properties are declared using $bindable() in runes mode. Did you forget to call the function?",
+		"code": "invalid_bindable_declaration",
+		"message": "Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?",
 		"start": {
 			"column": 7,
 			"line": 2
diff --git a/packages/svelte/tests/validator/samples/runes-legacy-syntax-warnings/warnings.json b/packages/svelte/tests/validator/samples/runes-legacy-syntax-warnings/warnings.json
index c841de3686..b7db493e68 100644
--- a/packages/svelte/tests/validator/samples/runes-legacy-syntax-warnings/warnings.json
+++ b/packages/svelte/tests/validator/samples/runes-legacy-syntax-warnings/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "deprecated-slot-element",
+		"code": "deprecated_slot_element",
 		"end": {
 			"column": 13,
 			"line": 11
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "deprecated-slot-element",
+		"code": "deprecated_slot_element",
 		"end": {
 			"column": 24,
 			"line": 12
@@ -24,7 +24,7 @@
 		}
 	},
 	{
-		"code": "deprecated-event-handler",
+		"code": "deprecated_event_handler",
 		"end": {
 			"column": 22,
 			"line": 13
diff --git a/packages/svelte/tests/validator/samples/runes-props-not-called/warnings.json b/packages/svelte/tests/validator/samples/runes-props-not-called/warnings.json
index d1900a3085..b906f65c36 100644
--- a/packages/svelte/tests/validator/samples/runes-props-not-called/warnings.json
+++ b/packages/svelte/tests/validator/samples/runes-props-not-called/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "invalid-props-declaration",
-		"message": "Component properties are declared using $props() in runes mode. Did you forget to call the function?",
+		"code": "invalid_props_declaration",
+		"message": "Component properties are declared using `$props()` in runes mode. Did you forget to call the function?",
 		"start": {
 			"column": 5,
 			"line": 2
diff --git a/packages/svelte/tests/validator/samples/runes-referenced-nonstate-bind-this/warnings.json b/packages/svelte/tests/validator/samples/runes-referenced-nonstate-bind-this/warnings.json
index d0b8f7bd3d..bc575249f3 100644
--- a/packages/svelte/tests/validator/samples/runes-referenced-nonstate-bind-this/warnings.json
+++ b/packages/svelte/tests/validator/samples/runes-referenced-nonstate-bind-this/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "non-state-reference",
-		"message": "does_need1 is updated, but is not declared with $state(...). Changing its value will not correctly trigger updates.",
+		"code": "non_state_reference",
+		"message": "`does_need1` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates",
 		"start": {
 			"column": 5,
 			"line": 3
diff --git a/packages/svelte/tests/validator/samples/runes-referenced-nonstate/warnings.json b/packages/svelte/tests/validator/samples/runes-referenced-nonstate/warnings.json
index 7e251a4e70..348b270bf6 100644
--- a/packages/svelte/tests/validator/samples/runes-referenced-nonstate/warnings.json
+++ b/packages/svelte/tests/validator/samples/runes-referenced-nonstate/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "non-state-reference",
-		"message": "b is updated, but is not declared with $state(...). Changing its value will not correctly trigger updates.",
+		"code": "non_state_reference",
+		"message": "`b` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates",
 		"start": {
 			"column": 5,
 			"line": 3
@@ -12,8 +12,8 @@
 		}
 	},
 	{
-		"code": "non-state-reference",
-		"message": "c is updated, but is not declared with $state(...). Changing its value will not correctly trigger updates.",
+		"code": "non_state_reference",
+		"message": "`c` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates",
 		"start": {
 			"column": 5,
 			"line": 4
diff --git a/packages/svelte/tests/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json b/packages/svelte/tests/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
index f641467e9a..7e0b05fd43 100644
--- a/packages/svelte/tests/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
+++ b/packages/svelte/tests/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "css-unused-selector",
+		"code": "css_unused_selector",
 		"end": {
 			"column": 17,
 			"line": 10
diff --git a/packages/svelte/tests/validator/samples/silence-warnings-2/input.svelte b/packages/svelte/tests/validator/samples/silence-warnings-2/input.svelte
index e043fdafd3..3c644b1248 100644
--- a/packages/svelte/tests/validator/samples/silence-warnings-2/input.svelte
+++ b/packages/svelte/tests/validator/samples/silence-warnings-2/input.svelte
@@ -2,7 +2,7 @@
 	let foo;
 </script>
 
-<!-- svelte-ignore module-script-reactive-declaration -->
+<!-- svelte-ignore module_script_reactive_declaration -->
 <script>
 	$: reactive = foo;
 </script>
diff --git a/packages/svelte/tests/validator/samples/silence-warnings/input.svelte b/packages/svelte/tests/validator/samples/silence-warnings/input.svelte
index 8e1608d837..24becff683 100644
--- a/packages/svelte/tests/validator/samples/silence-warnings/input.svelte
+++ b/packages/svelte/tests/validator/samples/silence-warnings/input.svelte
@@ -3,11 +3,11 @@
 </script>
 
 <script>
-	// svelte-ignore module-script-reactive-declaration
+	// svelte-ignore module_script_reactive_declaration
 	$: reactive = foo;
 </script>
 
-<!-- svelte-ignore css-unused-selector -->
+<!-- svelte-ignore css_unused_selector -->
 <style>
 	.unused {}
 </style>
diff --git a/packages/svelte/tests/validator/samples/slot-warning-ignore/input.svelte b/packages/svelte/tests/validator/samples/slot-warning-ignore/input.svelte
index 032264aa97..3d176490be 100644
--- a/packages/svelte/tests/validator/samples/slot-warning-ignore/input.svelte
+++ b/packages/svelte/tests/validator/samples/slot-warning-ignore/input.svelte
@@ -3,7 +3,7 @@
 </script>
 
 <Component>
-	<!-- svelte-ignore a11y-click-events-have-key-events -->
-	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<!-- svelte-ignore a11y_click_events_have_key_events -->
+	<!-- svelte-ignore a11y_no_static_element_interactions -->
 	<div slot='foo' on:click>hi!</div>
 </Component>
diff --git a/packages/svelte/tests/validator/samples/slot-warning/input.svelte b/packages/svelte/tests/validator/samples/slot-warning/input.svelte
index d5f0e7b210..b24dc4b63e 100644
--- a/packages/svelte/tests/validator/samples/slot-warning/input.svelte
+++ b/packages/svelte/tests/validator/samples/slot-warning/input.svelte
@@ -3,6 +3,6 @@
 </script>
 
 <Component>
-	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<!-- svelte-ignore a11y_no_static_element_interactions -->
 	<div slot='foo' on:click>hi!</div>
 </Component>
diff --git a/packages/svelte/tests/validator/samples/slot-warning/warnings.json b/packages/svelte/tests/validator/samples/slot-warning/warnings.json
index 57440d2d76..cd66eab361 100644
--- a/packages/svelte/tests/validator/samples/slot-warning/warnings.json
+++ b/packages/svelte/tests/validator/samples/slot-warning/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"column": 1,
 			"line": 7
diff --git a/packages/svelte/tests/validator/samples/slot-warning2/input.svelte b/packages/svelte/tests/validator/samples/slot-warning2/input.svelte
index e1cf63a5bf..5e129425d5 100644
--- a/packages/svelte/tests/validator/samples/slot-warning2/input.svelte
+++ b/packages/svelte/tests/validator/samples/slot-warning2/input.svelte
@@ -3,7 +3,7 @@
 </script>
 
 <Component>
-	<!-- svelte-ignore unrelated-warning -->
-	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<!-- svelte-ignore unrelated_warning -->
+	<!-- svelte-ignore a11y_no_static_element_interactions -->
 	<div slot='foo' on:click>hi!</div>
 </Component>
diff --git a/packages/svelte/tests/validator/samples/slot-warning2/warnings.json b/packages/svelte/tests/validator/samples/slot-warning2/warnings.json
index 7dff2657d2..24452c7e70 100644
--- a/packages/svelte/tests/validator/samples/slot-warning2/warnings.json
+++ b/packages/svelte/tests/validator/samples/slot-warning2/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "a11y-click-events-have-key-events",
-		"message": "A11y: visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
+		"code": "a11y_click_events_have_key_events",
+		"message": "Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type=\"button\"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.",
 		"start": {
 			"column": 1,
 			"line": 8
diff --git a/packages/svelte/tests/validator/samples/static-state-reference/warnings.json b/packages/svelte/tests/validator/samples/static-state-reference/warnings.json
index 2961bef5f7..b0649869fc 100644
--- a/packages/svelte/tests/validator/samples/static-state-reference/warnings.json
+++ b/packages/svelte/tests/validator/samples/static-state-reference/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "static-state-reference",
+		"code": "static_state_reference",
 		"message": "State referenced in its own scope will never update. Did you mean to reference it inside a closure?",
 		"start": {
 			"column": 13,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "static-state-reference",
+		"code": "static_state_reference",
 		"message": "State referenced in its own scope will never update. Did you mean to reference it inside a closure?",
 		"start": {
 			"column": 13,
diff --git a/packages/svelte/tests/validator/samples/store-runes-conflict/warnings.json b/packages/svelte/tests/validator/samples/store-runes-conflict/warnings.json
index 58236d814b..0e894db6e1 100644
--- a/packages/svelte/tests/validator/samples/store-runes-conflict/warnings.json
+++ b/packages/svelte/tests/validator/samples/store-runes-conflict/warnings.json
@@ -1,7 +1,7 @@
 [
 	{
-		"code": "store-with-rune-name",
-		"message": "It looks like you're using the $state rune, but there is a local binding called state. Referencing a local variable with a $ prefix will create a store subscription. Please rename state to avoid the ambiguity.",
+		"code": "store_with_rune_name",
+		"message": "It looks like you're using the `$state` rune, but there is a local binding called `state`. Referencing a local variable with a `$` prefix will create a store subscription. Please rename `state` to avoid the ambiguity",
 		"start": {
 			"column": 1,
 			"line": 3
diff --git a/packages/svelte/tests/validator/samples/tag-custom-element-options-missing/warnings.json b/packages/svelte/tests/validator/samples/tag-custom-element-options-missing/warnings.json
index 5ddce88a53..72602abb85 100644
--- a/packages/svelte/tests/validator/samples/tag-custom-element-options-missing/warnings.json
+++ b/packages/svelte/tests/validator/samples/tag-custom-element-options-missing/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "missing-custom-element-compile-option",
+		"code": "missing_custom_element_compile_option",
 		"message": "The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?",
 		"start": {
 			"line": 1,
diff --git a/packages/svelte/tests/validator/samples/unreferenced-variables-each/warnings.json b/packages/svelte/tests/validator/samples/unreferenced-variables-each/warnings.json
index e8791eb61e..0008dd1544 100644
--- a/packages/svelte/tests/validator/samples/unreferenced-variables-each/warnings.json
+++ b/packages/svelte/tests/validator/samples/unreferenced-variables-each/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"message": "Component has unused export property 'default_value_5'. If it is for external reference only, please consider using `export const default_value_5`",
 		"start": {
 			"column": 12,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"message": "Component has unused export property 'default_value_6'. If it is for external reference only, please consider using `export const default_value_6`",
 		"start": {
 			"column": 12,
diff --git a/packages/svelte/tests/validator/samples/unreferenced-variables/warnings.json b/packages/svelte/tests/validator/samples/unreferenced-variables/warnings.json
index 9690e557ec..12b78ee572 100644
--- a/packages/svelte/tests/validator/samples/unreferenced-variables/warnings.json
+++ b/packages/svelte/tests/validator/samples/unreferenced-variables/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"end": {
 			"column": 8,
 			"line": 28
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"end": {
 			"column": 8,
 			"line": 29
@@ -24,7 +24,7 @@
 		}
 	},
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"end": {
 			"column": 15,
 			"line": 32
@@ -36,7 +36,7 @@
 		}
 	},
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"end": {
 			"column": 15,
 			"line": 33
@@ -48,7 +48,7 @@
 		}
 	},
 	{
-		"code": "unused-export-let",
+		"code": "unused_export_let",
 		"end": {
 			"column": 15,
 			"line": 35
diff --git a/packages/svelte/tests/validator/samples/use-the-platform/warnings.json b/packages/svelte/tests/validator/samples/use-the-platform/warnings.json
index 2dfe6b5c8e..f62bbca540 100644
--- a/packages/svelte/tests/validator/samples/use-the-platform/warnings.json
+++ b/packages/svelte/tests/validator/samples/use-the-platform/warnings.json
@@ -1,6 +1,6 @@
 [
 	{
-		"code": "invalid-html-attribute",
+		"code": "invalid_html_attribute",
 		"message": "'className' is not a valid HTML attribute. Did you mean 'class'?",
 		"start": {
 			"column": 5,
@@ -12,7 +12,7 @@
 		}
 	},
 	{
-		"code": "invalid-html-attribute",
+		"code": "invalid_html_attribute",
 		"message": "'htmlFor' is not a valid HTML attribute. Did you mean 'for'?",
 		"start": {
 			"column": 7,