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Do not crash with uncodable character in math preview snippert (part of #11855)

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This commit is contained in:
Juergen Spitzmueller 2022-12-01 16:01:38 +01:00
parent 924e74bd69
commit e500dc19c1
1 changed files with 14 additions and 1 deletions
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15
src/mathed/InsetMathHull.cpp
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@ -709,7 +709,20 @@ static docstring latexString(InsetMathHull const & inset)
otexrowstream ots(ls);
TeXMathStream wi(ots, false, true, TeXMathStream::wsPreview, encoding);
inset.write(wi);
return ls.str();
docstring const s = ls.str();
docstring res;
for (char_type c : s) {
if (encoding->encodable(c))
res += c;
else {
// indicate the encoding error by a boxed '?'
res += "{\\fboxsep=1pt\\fbox{?}}";
LYXERR0("Uncodable character" << " '"
<< c
<< "'");
}
}
return res;
}