test-repo/changelog_unreleased/html/pr-8381.md

Support front matter with dynamic language (#8381 by @fisker)

Support dynamic language detection in front matter, also available for css, less, scss, and markdown parser.

<!-- Input -->
---my-awsome-language
title: Title
description: Description
---
  <h1>
    prettier</h1>

<!-- Prettier stable -->
---my-awsome-language title: Title description: Description ---

<h1>
  prettier
</h1>

<!-- Prettier master -->
---my-awsome-language
title: Title
description: Description
---

<h1>
  prettier
</h1>