Allow underscore [_] for unchecked task list items#386
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The [_] marker provides a visual alternative to [ ] for unchecked task items, improving readability in editors without monospaced fonts. Closes jgm#305
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Summary
This PR adds
[_]as an alternative marker for unchecked task list items, addressing #305.The underscore provides a visual representation that looks like an empty box
[_]in the source, improving readability especially in editors without monospaced fonts (e.g., mobile apps, browser text areas).Changes
doc/syntax.mdto accept[_]alongside[ ]for unchecked itemsdoc/syntax.htmlto matchExample
This change is additive and backward-compatible with existing documents.
Closes #305
Reference impl / demo: https://php-collective.github.io/djot-php/guide/syntax.html#task-lists