fix: detect headings in PDF conversion via font-size analysis#1659

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octo-patch wants to merge 2 commits intomicrosoft:mainfrom

octo-patch:fix/issue-1640-pdf-heading-detection

Commits on Apr 3, 2026

fix: handle None sys.stdout.encoding in CLI output (fixes #1597)
octo-patch
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Commits on Apr 4, 2026

fix: detect headings in PDF conversion via font-size analysis (fixes #1640)
octo-patch
committed