[REVIEW-3-6] fix for fdo#53839, don't crash for invalid repaint range in cond format code

Markus Mohrhard markus.mohrhard at googlemail.com
Mon Aug 27 18:36:53 PDT 2012


the attached patch fixes a strange crash in the cond format repaint
code. The patch is just a safe variant for now, the real problem is
that the concept of calling the repaint code after a cell changed is
not always correct but needs a bit more thinking about the design and
all the implications of a better fix.

This patch is absolutely safe and will prevent the crash for now. For
master I will need to think about a clean concept that also removes
the performance problems with the current approach.

Please also push this patch to master.

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