diff --git a/src/compiler/compile/nodes/Element.ts b/src/compiler/compile/nodes/Element.ts
index 24aea38f4b..ed1b9d64bf 100644
--- a/src/compiler/compile/nodes/Element.ts
+++ b/src/compiler/compile/nodes/Element.ts
@@ -155,7 +155,7 @@ function input_implicit_role(attribute_map: Map<string, Attribute>) {
   const list_attribute_exists = attribute_map.has('list');
 
   if (list_attribute_exists && combobox_if_list.has(type)) {
-    return 'combobox';
+	return 'combobox';
   }
 
   return input_type_to_implicit_role.get(type);
@@ -170,11 +170,11 @@ function menuitem_implicit_role(attribute_map: Map<string, Attribute>) {
 
 function get_implicit_role(name: string, attribute_map: Map<string, Attribute>) : (string | undefined) {
   if (name === 'menuitem') {
-    return menuitem_implicit_role(attribute_map);
+	return menuitem_implicit_role(attribute_map);
   } else if (name === 'input') {
-    return input_implicit_role(attribute_map);
+	return input_implicit_role(attribute_map);
   } else {
-    return a11y_implicit_semantics.get(name);
+	return a11y_implicit_semantics.get(name);
   }
 }
 
@@ -551,7 +551,7 @@ export default class Element extends Node {
 
 				// aria-activedescendant-has-tabindex
 				if (name === 'aria-activedescendant' && !is_interactive_element(this.name, attribute_map) && !attribute_map.has('tabindex')) {
-			    component.warn(attribute, compiler_warnings.a11y_aria_activedescendant_has_tabindex);
+					component.warn(attribute, compiler_warnings.a11y_aria_activedescendant_has_tabindex);
 				}
 			}
 
@@ -669,22 +669,22 @@ export default class Element extends Node {
 			}
 		}
 
-    // role-supports-aria-props
-    const role = attribute_map.get('role');
-    const role_value = (role ? role.get_static_value() : get_implicit_role(this.name, attribute_map)) as ARIARoleDefintionKey;
-    if (typeof role_value === 'string' && roles.has(role_value)) {
-      const { props } = roles.get(role_value);
-      const invalid_aria_props = new Set(aria.keys().filter(attribute => !(attribute in props)));
-      const is_implicit = role_value && role === undefined;
-
-      attributes
-        .filter(prop => prop.type !== 'Spread')
-        .forEach(prop => {
-          if (invalid_aria_props.has(prop.name as ARIAProperty)) {
-            component.warn(prop, compiler_warnings.a11y_role_supports_aria_props(prop.name, role_value, is_implicit, this.name));
-          }
-        });
-    }
+		// role-supports-aria-props
+		const role = attribute_map.get('role');
+		const role_value = (role ? role.get_static_value() : get_implicit_role(this.name, attribute_map)) as ARIARoleDefintionKey;
+		if (typeof role_value === 'string' && roles.has(role_value)) {
+			const { props } = roles.get(role_value);
+			const invalid_aria_props = new Set(aria.keys().filter(attribute => !(attribute in props)));
+			const is_implicit = role_value && role === undefined;
+
+			attributes
+				.filter(prop => prop.type !== 'Spread')
+				.forEach(prop => {
+					if (invalid_aria_props.has(prop.name as ARIAProperty)) {
+						component.warn(prop, compiler_warnings.a11y_role_supports_aria_props(prop.name, role_value, is_implicit, this.name));
+					}
+				});
+		}
 	}
 
 	validate_special_cases() {