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Author SHA1 Message Date
jedarden
3618e6fd2c feat(pdftract-56yz8): implement span_to_markdown inline span styling (Phase 6.5)
Add span_to_markdown function that translates span flags to Markdown:
- Bold (bit 0) → **text**
- Italic (bit 1) → *text*
- Bold+italic → ***text***
- Subscript (bit 3) → <sub>text</sub>
- Superscript (bit 4) → <sup>text</sup>
- Smallcaps (bit 2) → <span style="font-variant: small-caps">text</span>
- Color-only differences: no styling
- Escapes CommonMark special characters

Tests cover all acceptance criteria:
- Bold+italic combination
- Subscript/superscript emission
- Smallcaps HTML span
- Special character escaping
- Whitespace-only edge cases

Closes: pdftract-56yz8
2026-05-25 11:49:44 -04:00