synfig/synfig — pull request #12 by d-j-a-y (2013-04-30 13:21:15+00:00)
Title: Bug report #420  -  The Add keyframe button shouldn't be active if there is not timeline

Seems that KeyframeActionManager::refresh() is not called when time is updated
(caret/properti/time/... /apply)
but when the time bar is scrolled ....
at least, my patch eat the crash !