jedarden c4e882d379 feat(pdftract-5nbp): implement /Differences overlay handler for font encodings ... - Add DifferencesOverlay struct for sparse glyph name overrides - Add FontEncoding struct combining base encoding with differences - Handle all encoding indirection patterns (name, dict, missing) - Emit FontEncodingDifferenceOutOfRange diagnostic for out-of-range codes - Add 13 comprehensive tests covering all acceptance criteria Acceptance criteria: - [PASS] [ 39 /quotesingle 96 /grave ] parses correctly - [PASS] [ 39 /a /b /c ] consecutive assignment works - [PASS] Overlay precedence over base encoding - [PASS] Unknown glyph names returned for L3/L4 fallback - [PASS] Multiple Differences blocks handled - [PASS] Out-of-range codes clamped with diagnostics		2026-05-23 18:09:46 -04:00
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pdftract-cer-diff	docs(pdftract-aawrz): add LICENSE-MIT and LICENSE-APACHE files	2026-05-23 10:36:28 -04:00
pdftract-cli	feat(pdftract-4my): implement serve mode integration for full-render feature	2026-05-23 16:28:08 -04:00
pdftract-core	feat(pdftract-5nbp): implement /Differences overlay handler for font encodings	2026-05-23 18:09:46 -04:00
pdftract-libpdftract	feat(pdftract-juc): implement Standard 14 font metrics registry	2026-05-23 14:04:02 -04:00
pdftract-py	docs(pdftract-aawrz): add LICENSE-MIT and LICENSE-APACHE files	2026-05-23 10:36:28 -04:00