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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29056 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2009-04-03 16:04:45 +00:00
parent ac62d4ef94
commit 46c5596462
1 changed files with 3 additions and 0 deletions
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3
src/Buffer.cpp
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@ -228,6 +228,9 @@ public:
/// This is here to force the test to be done whenever parent_buffer /// This is here to force the test to be done whenever parent_buffer
/// is accessed. /// is accessed.
Buffer const * parent() const { Buffer const * parent() const {
// if parent_buffer is not loaded, then it has been unloaded,
// which means that parent_buffer is an invalid pointer. So we
// set it to null in that case.
if (!theBufferList().isLoaded(parent_buffer)) if (!theBufferList().isLoaded(parent_buffer))
parent_buffer = 0; parent_buffer = 0;
return parent_buffer; return parent_buffer;