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vectorcraft/crates/text
ruchirguitarandClaude Opus 5.5 b87fddba11 Type: Optical kerning spaces pairs by the font's own stem spacing (#5336)
Optical moved every pair all the way to a fixed 0.08 em ink gap, tighter
than most text faces' own stem spacing, so ordinary text was squeezed
(at 100 pt, Source Sans 3 `nn` closed from 54.7 to 46.9 pt).

Each pair now moves 0.6 of the way toward the face's reference gap (the
median ink gap of `nn`, else `HH` or `oo`; 0.08 em when it has none),
keeps at least 0.3 of it at its narrowest, and changes by at most
0.12 em tighter or 0.06 em looser. Ideographs, kana, hangul, fullwidth
and CJK punctuation forms and dashes keep the font's spacing.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-05 03:04:51 +07:00
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