# Automatic highlighting fails for some fenced code blocks

**URL:** https://meta.discourse.org/t/automatic-highlighting-fails-for-some-fenced-code-blocks/408503
**Category:** Bug
**Tags:** fixed, bug
**Created:** [July 25, 2026, 8:16am UTC](https://meta.discourse.org/t/automatic-highlighting-fails-for-some-fenced-code-blocks/408503 "2026-07-25T08:16:46Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![NateDhaliwal](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/natedhaliwal/32/313494_2.png) [@NateDhaliwal](https://meta.discourse.org/u/NateDhaliwal)
#### Post date: [July 25, 2026, 8:20am UTC](https://meta.discourse.org/t/automatic-highlighting-fails-for-some-fenced-code-blocks/408503/2 "2026-07-25T08:20:07Z")

</div>

Perhaps it is simply that Discourse and HighlightJS cannot recognize the language, hence making it as such.

---

_[View the full topic](https://meta.discourse.org/t/automatic-highlighting-fails-for-some-fenced-code-blocks/408503)._