PrismJS / PrismJS/prism

[Markdown] Prism dosen't highlight underscores

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language-definitions
Dominant language
JavaScript
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Description

Information

  • Language: Markdown
  • Plugins: none

Description
Separators (<hr>) in Markdown can be written with either ---, ***, or ___. Prism does not highlight underscores with the token.hr.punctuation class.

Code snippet

Test page

The code being highlighted incorrectly.
---
***
___

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the Markdown language entry on the linked Prism test page and inspect the grammar and token output for the three separator forms. Done means ---, ***, and ___ all receive the token.hr.punctuation class, with the underscore case matching the others.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, markdown
Domain
tooling
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
55/100

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