Robby Findler 8d60324f92 only when when there is something to undo ... They hypothesis behind this change is that the undo is undoing an edit that came before, not the temporary edit that appears in insert-close-paren. So, when there are no edits happening (ie when fixup? is #f) then don't undo. This is only a hypothesis because we were not able to find a small code sequence, outside of DrRacket to cause the bad behavior, so possibly there is really more going on here. Thanks to Nadeem Abdul Hamid for finding this fix. Closes PR 13454 original commit: f90eb33d67a7e054b717f7a827ca17013499eb19		2013-01-26 07:49:14 -06:00
collects	only when when there is something to undo	2013-01-26 07:49:14 -06:00
doc/release-notes	remove unsupported MDI styles and method	2011-08-04 08:02:54 -06:00
man/man1	minor man-page corrections	2011-02-01 08:01:17 -07:00