Update MD051/link-fragments to add the ignored_pattern configuration parameter (fixes #547).

This commit is contained in:
David Anson 2025-04-05 22:34:54 -07:00
parent 45932c7837
commit 02478d24cf
17 changed files with 297 additions and 4 deletions

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@ -74,6 +74,12 @@ And this link to content starting within line 19 running into line 21:
[Link](#L19C5-L21C11)
```
Some Markdown generators dynamically create and insert headings when building
documents, for example by combining a fixed prefix like `figure-` and an
incrementing numeric counter. To ignore such generated fragments, set the
`ignored_pattern` [regular expression][RegEx] parameter to a pattern that
matches (e.g., `^figure-`).
Rationale: [GitHub section links][github-section-links] are created
automatically for every heading when Markdown content is displayed on GitHub.
This makes it easy to link directly to different sections within a document.
@ -89,3 +95,4 @@ append an incrementing integer as needed for uniqueness.
[github-heading-algorithm]: https://github.com/gjtorikian/html-pipeline/blob/f13a1534cb650ba17af400d1acd3a22c28004c09/lib/html/pipeline/toc_filter.rb
[github-linking-to-content]: https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/creating-a-permanent-link-to-a-code-snippet#linking-to-markdown#linking-to-markdown
[html-top-fragment]: https://html.spec.whatwg.org/multipage/browsing-the-web.html#scrolling-to-a-fragment
[RegEx]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_expressions