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Fix bug #6489: Assertion triggered when deleting contents of math ERT. (probably a stdlib assertion).

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Do not access name_[0] if name_ has size 0.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33290 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2010-01-31 13:03:31 +00:00
parent 126e78e408
commit 00bbabd00f
1 changed files with 2 additions and 1 deletions
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3
src/mathed/MathData.cpp
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@ -398,7 +398,8 @@ void MathData::updateMacros(Cursor * cur, MacroContext const & mc)
// go over the array and look for macros
for (size_t i = 0; i < size(); ++i) {
MathMacro * macroInset = operator[](i).nucleus()->asMacro();
if (!macroInset || macroInset->name_[0] == '^'
if (!macroInset || macroInset->name_.size() == 0
|| macroInset->name_[0] == '^'
|| macroInset->name_[0] == '_'
|| macroInset->name() == edited_name)
continue;