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Fix a crash with uninitialized buffer member of MathData
See the details here: https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg210294.html
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@ -1232,10 +1232,12 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
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cur.recordUndoSelection();
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if (cmd.argument() == "^" || cmd.argument() == "_")
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interpretChar(cur, cmd.argument()[0]);
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else if (!cur.selection())
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cur.niceInsert(cmd.argument());
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else {
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MathData ar;
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MathData ar(cur.buffer());
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asArray(cmd.argument(), ar);
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if (cur.selection() && ar.size() == 1
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if (ar.size() == 1
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&& ar[0]->asNestInset()
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&& ar[0]->asNestInset()->nargs() > 1)
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handleNest(cur, ar[0]);
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