PDF import: letter-spaced text keeps its word spaces

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PDF import read every gap wider than a fifth of an em between two
glyphs as a space. Letter-spaced type (Tc, or glyphs placed one by one
with tracking) has such a gap between every pair of letters, so
"OPEN DAILY" came in as "O P E N D A I L Y".

A line now records every gap between its glyphs and decides which are
spaces when it finishes: the spacing its letters share (the gap a third
of the way up from the narrowest, when the line has three or more) is
taken off each gap first. That shared spacing is at most half an em, so
glyphs set wider apart, such as figures in columns, keep their spaces.
Right-to-left lines and glyphs along a curve read their gaps as before.

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

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This commit is contained in:

KnottyDyes

2026-10-21 23:16:29 +07:00

committed by bflatastic

co-authored by Claude Opus 5.5

parent 398c6316d9

commit 52b63e2198

4 changed files with 120 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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docs/target-app-parity.md

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