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Fix DOCX: clamp Heading 7-9 styles to h6 instead of dropping heading structure - #2660
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Wu Shuwen (dajiaohuang) wants to merge 1 commit into
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Wu Shuwen (dajiaohuang) wants to merge 1 commit into
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…structure Fixes microsoft#2530. Mammoth's default style map only maps Word Heading 1-6 to HTML h1-h6. Heading 7, 8, and 9 came through as plain <p> text, silently losing their heading structure. Markdown has no heading level past 6, so clamp Heading 7-9 to h6 (######) via a default style_map entry, matching the recommendation in the issue.
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Fixes #2530.
Mammoth's default style map only maps Word Heading 1-6 to HTML h1-h6. Heading 7, 8, and 9 came through as plain
<p>text, silently losing their heading structure. Markdown has no heading level past 6, so clamp Heading 7-9 to h6 (######) via a defaultstyle_mapentry.Focused validation (2026-10-15)
Generated a native DOCX Heading 7 paragraph and converted it through MarkItDown.convert_stream. Main loses heading structure; this unchanged head emits a level-6 Markdown heading. No full-suite/current-head CI success is claimed. Existing dependencies were reused without installation; maintainer acceptance remains pending.