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M1: the numbered glyph name notes name the public readers only (create.text-extraction)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pq7HyCHD1R3rywQBPCHXZA
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@@ -499,7 +499,7 @@ fn glyph_names_outside_the_glyph_list_still_read_as_text() {
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/// A glyph name that only numbers its glyph, with no `/ToUnicode` (ISO 32000-2 §9.10.2 has no
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/// route for it), reads as its code's Latin-1 character when the number is that very code, in
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/// decimal (`C70` at 70, `C0071` at 71, `MT72` at 72, `C39` at 39, `C174` at 174) or
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/// hexadecimal (`G49` at 0x49, `GE9` at 0xE9), as pdftotext, PDFium, MuPDF and Acrobat read
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/// hexadecimal (`G49` at 0x49, `GE9` at 0xE9), as pdftotext, PDFium and MuPDF read
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/// it: Windows printer drivers and typesetters name subset glyphs so. A control character
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/// (`C9` at 9) still reads as nothing. Only in a font where every numbered name names its own
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/// code: one more name numbering another code (`/C1` at 233, review on #3239) turns the whole
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+2
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@@ -771,8 +771,8 @@ pub(crate) fn numbered_names_name_their_codes<'a>(
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/// PdfCraft patch: the text of a glyph name outside the glyph list that only numbers its glyph
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/// (see `glyph_name_numbers`) when that number is the very code the glyph is shown with: the
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/// code's Latin-1 character, for codes above 127 too (`C174` reads `®`), as pdftotext, PDFium,
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/// MuPDF and Acrobat read it. The name and the code then agree, so nothing is guessed from an
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/// code's Latin-1 character, for codes above 127 too (`C174` reads `®`), as pdftotext, PDFium
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/// and MuPDF read it. The name and the code then agree, so nothing is guessed from an
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/// encoding table. A number naming another code (`/C1` at 233, review on #3239) and a control
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/// character read as nothing. Callers apply it only in a font where
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/// `numbered_names_name_their_codes` holds.
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+1
-1
@@ -143,7 +143,7 @@ impl Type1Font {
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// glyph list specification's full mapping (`f_i`, `hyphen.case`). A name that only
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// numbers the glyph (`C39`, `c251`) reads as the code's Latin-1 character only when its
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// number is that code (`C39` at 39) and every numbered name in the font names its own
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// code, as pdftotext, PDFium, MuPDF and Acrobat read it. Anywhere else the number is no
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// code, as pdftotext, PDFium and MuPDF read it. Anywhere else the number is no
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// evidence and reads as nothing: the code's StandardEncoding character would be a
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// guess, wrong wherever the font's /Encoding puts the glyph elsewhere (review on #3239).
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let name = self.code_to_ps_name(code)?;
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