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xunicode (only) needs to be loaded for tipa emulation.

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Previous fontspec loaded xunicode internally, for recent version, this
is no longer desired. However, we still need it for tipa emulation.
We use fontspec's trick to bypass XeTeX test with LuaTeX.
This commit is contained in:
Juergen Spitzmueller 2017-02-22 11:26:02 +01:00
parent d2ad9ae6e2
commit b6a7530ba2
1 changed files with 11 additions and 4 deletions
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15
src/BufferParams.cpp
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@ -2176,12 +2176,19 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
os << "}\n";
}
// xunicode needs to be loaded at least after amsmath, amssymb,
// xunicode only needs to be loaded if tipa is used
// (the rest is obsoleted by the new TU encoding).
// It needs to be loaded at least after amsmath, amssymb,
// esint and the other packages that provide special glyphs
// The package only supports XeTeX currently.
if (features.runparams().flavor == OutputParams::XETEX
&& useNonTeXFonts)
if (features.mustProvide("tipa") && useNonTeXFonts) {
// The package officially only supports XeTeX, but also works
// with LuaTeX. Thus we work around its XeTeX test.
if (features.runparams().flavor != OutputParams::XETEX) {
os << "% Pretend to xunicode that we are XeTeX\n"
<< "\\def\\XeTeXpicfile{}\n";
}
os << "\\usepackage{xunicode}\n";
}
// Polyglossia must be loaded last ...
if (use_polyglossia) {