Type: Proportional Metrics — full-width glyphs on the font's proportional widths, palt (#966)

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A character attribute (Character panel menu with the East Asian options;
`text.setFormat` / `text.setRangeStyle {proportionalMetrics}`), saved only
when on. In horizontal type it applies `palt`; vertical type sets as before
until the vertical shaping change (`vpal`) follows.

Line-end Punctuation Half Width takes nothing more off the punctuation
`palt` re-spaced (the flush opening bracket, consecutive punctuation, the
line-end half width): the segment is shaped once more without `palt`, and
the glyphs whose advance differs are marked. Punctuation the font leaves
full width is trimmed as before. SVG writes `"palt" 1` with the
character's other features.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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imachus

2026-10-11 07:00:35 +07:00

committed by bflatastic

co-authored by Claude Opus 5.5

parent c5274beb23

commit 621e1a6640

24 changed files with 220 additions and 43 deletions

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docs/target-app-parity.md

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