pdf_io: support macOS TrueType fonts that only expose a (0,4) cmap subtable#1377

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hhh2210 wants to merge 2 commits into

tectonic-typesetting:masterfrom

hhh2210:fix-tounicode-cmap-plat0-enc4

Commits on Jun 30, 2026

pdf_io: generate ToUnicode CMap for fonts exposing only a (0,4) cmap subtable
hhh2210
committed
pdf_io: add (0,4) to cidtype2.c known_encodings (other half of macOS 0-4 cmap support)
hhh2210
committed