From 3fda96a624ff8e131f507e559bb02f5dbcd1273b Mon Sep 17 00:00:00 2001
From: Luca Bonavita <mindrones@users.noreply.github.com>
Date: Sun, 7 Apr 2019 17:03:07 +0100
Subject: [PATCH] Don't update the active section for headings below level 3

Fixes #2365
---
 site/src/routes/docs/_sections.js | 2 +-
 site/src/routes/docs/index.svelte | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/site/src/routes/docs/_sections.js b/site/src/routes/docs/_sections.js
index 79b64c58b3..d1447fb76a 100644
--- a/site/src/routes/docs/_sections.js
+++ b/site/src/routes/docs/_sections.js
@@ -125,7 +125,7 @@ export default function() {
 
 					return `
 						<h${level}>
-							<span id="${slug}" class="offset-anchor"></span>
+							<span id="${slug}" class="offset-anchor" ${level === 4 ? 'data-level=4' : ''}></span>
 							<a href="docs#${slug}" class="anchor" aria-hidden="true"></a>
 							${text}
 						</h${level}>`;
diff --git a/site/src/routes/docs/index.svelte b/site/src/routes/docs/index.svelte
index 0cbbf547f5..157ee39f9c 100644
--- a/site/src/routes/docs/index.svelte
+++ b/site/src/routes/docs/index.svelte
@@ -18,7 +18,9 @@
 	let show_contents = false;
 
 	onMount(() => {
-		const anchors = container.querySelectorAll('[id]');
+		// don't update `active_section` for headings below level 3, see _sections.js
+		const anchors = container.querySelectorAll('[id]:not([data-level="4"])');
+
 		let positions;
 
 		const onresize = () => {
@@ -372,4 +374,4 @@
 	<button on:click="{() => show_contents = !show_contents}">
 		<Icon name="{show_contents? 'close' : 'menu'}"/>
 	</button>
-</aside>
\ No newline at end of file
+</aside>