From e583f46f0dc249f6bc4586e95a55f64685734040 Mon Sep 17 00:00:00 2001
From: Andrew <andseier@gmail.com>
Date: Mon, 23 Aug 2021 11:51:52 -0700
Subject: [PATCH] chore(docs): Use `langPrefix` in `highlight.js` example.
 (#2176)

To properly integrate [highlight.js](https://github.com/highlightjs/highlight.js/) when using `marked.setOptions`, you need to leverage `langPrefix` to add an additional `hljs` class to the top-level `<code>` element which will be rendered.

Closes #2171
---
 docs/USING_ADVANCED.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/USING_ADVANCED.md b/docs/USING_ADVANCED.md
index 95ae48a3f7..b7adcb0188 100644
--- a/docs/USING_ADVANCED.md
+++ b/docs/USING_ADVANCED.md
@@ -25,6 +25,7 @@ marked.setOptions({
     const language = hljs.getLanguage(lang) ? lang : 'plaintext';
     return hljs.highlight(code, { language }).value;
   },
+  langPrefix: 'hljs language-', // highlight.js css expects a top-level 'hljs' class.
   pedantic: false,
   gfm: true,
   breaks: false,