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Do not crash with uncodable character in math preview snippert (part of #11855)
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@ -709,7 +709,20 @@ static docstring latexString(InsetMathHull const & inset)
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otexrowstream ots(ls);
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otexrowstream ots(ls);
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TeXMathStream wi(ots, false, true, TeXMathStream::wsPreview, encoding);
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TeXMathStream wi(ots, false, true, TeXMathStream::wsPreview, encoding);
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inset.write(wi);
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inset.write(wi);
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return ls.str();
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docstring const s = ls.str();
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docstring res;
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for (char_type c : s) {
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if (encoding->encodable(c))
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res += c;
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else {
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// indicate the encoding error by a boxed '?'
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res += "{\\fboxsep=1pt\\fbox{?}}";
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LYXERR0("Uncodable character" << " '"
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<< c
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<< "'");
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}
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}
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return res;
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}
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}
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