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Fix #10394 Do not error on missing characters in "nullfont".

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Add an exception to the conversion of "missing character" warnings into errors.

The PGF package deliberately uses the dummy font "nullfont" to suppress output.
Therefore, warnings about missing characters in "nullfont" are really only warnings.

Also updated the comment: "Missing character" warnigns are especially widespread
in XeTeX/LuaTeX but can also happen with "classical" 8-bit TeX.

Feel free to port this to branch.
This commit is contained in:
Günter Milde 2016-09-23 09:04:03 +02:00
parent 27beb8f0d9
commit 63f41711cb
2 changed files with 5 additions and 12 deletions
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9
development/autotests/invertedTests
View File

@ -99,15 +99,6 @@ export/export/latex/LongestLabelWithUnderscore.*
# if they contain non-ASCII characters)
export/doc/(es|fr)/Additional_pdf4_texF
#10394 Do not error on missing characters in "nullfont".
# "LaTeXing" seminar fails (except for LuaTeX) with
# Missing character: There is no 0 in font nullfont!
# due to a bug in PGF (https://sourceforge.net/p/pgf/bugs/314/)
# However, these warnings can be safely ignored as PGF deliberately uses
# "nullfont" to suppress output.
# http://tex.stackexchange.com/questions/121154/tikzpicture-options-causing-there-is-no-in-font-nullfont
export/examples/(|fr/)seminar_.*(dvi|pdf|pdf[2-4]).*
Sublabel: ert
#

8
src/LaTeX.cpp
View File

@ -899,9 +899,11 @@ int LaTeX::scanLogFile(TeXErrors & terr)
from_local8bit("pdfTeX Error"),
from_local8bit(token),
child_name);
} else if (prefixIs(token, "Missing character: There is no ")) {
// XeTeX/LuaTeX error about missing glyph in selected font
// (bug 9610)
} else if (prefixIs(token, "Missing character: There is no ")
&& !contains(token, "nullfont")) {
// Warning about missing glyph in selected font
// may be dataloss (bug 9610)
// but can be ignored for 'nullfont' (bug 10394).
retval |= LATEX_ERROR;
terr.insertError(0,
from_local8bit("Missing glyphs!"),