[Pharo-dev] Recover lost changes | Where are class definitions?

Hi, I tried recovering code lost when an image quits without saving. But, in the "Recent changes", I don't see class definitions. I tesed this in Pharo 3 latest and in Pharo 4 latest too. Is there an option to display them? I guess they are hidden with other "DoIts", but I can't figure out how to display them back. Thanx, Noury