fix(html): generate fallback id for punctuation-only headings#3110
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leno23 wants to merge 1 commit into
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fix(html): generate fallback id for punctuation-only headings#3110leno23 wants to merge 1 commit into
leno23 wants to merge 1 commit into
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Headings like `## ::` produced empty id/href attributes, breaking anchor links. Fall back to a unique `section` slug when slugification is empty. Fixes rust-lang#3002 Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
## ::),id_from_contentreturns an empty stringid=""andhref="#", breaking anchor linkssectionslug (with numeric suffixes on collision)Test plan
cargo test -p mdbook-html utils::tests## ::heading and verify the generated HTML has a non-emptyidFixes #3002
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