Jean-Marc Lasgouttes wrote:
> The question is to know why undo fails...
Here we have a separate problem indeed. Undo is not recorded for special
chars. You can crash LyX by:
- enter math inset
- type "x"
- leave math inset with arrow key
- hit C+- (hyphenation point)
- undo
Fixed by the attached patch. OK?
Jürgen
Index: src/Text3.cpp
===================================================================
--- src/Text3.cpp (Revision 18371)
+++ src/Text3.cpp (Arbeitskopie)
@@ -244,6 +244,7 @@
void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
{
+ recordUndo(cur);
cap::replaceSelection(cur);
cur.insert(new InsetSpecialChar(kind));
cur.posRight();