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Fix crash with math inset with empty string.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20284 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2007-09-15 12:34:21 +00:00
parent 8d52aa5638
commit 5afe768b67
1 changed files with 3 additions and 0 deletions
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3
src/frontends/qt4/GuiPainter.cpp
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@ -245,6 +245,9 @@ int GuiPainter::smallCapsText(int x, int y,
int GuiPainter::text(int x, int y, docstring const & s,
Font const & f)
{
if (s.empty())
return 0;
/* Caution: The following ucs4 to QString conversions work for symbol fonts
only because they are no real conversions but simple casts in reality.
When we want to draw a symbol or calculate the metrics we pass the position