Hi Jérôme, I appreciate the hard work you did today/yesterday, but I think the layered command history is too complex for users. If it was something totally hidden for users, it would still be an option, but having the undo/redo buttons on the edit dialogs is just, well, very unusual. What about making dialogs that are opened from dialogs modal? Wouldn't that make the undo/redo buttons unnecessary?
Cheers, Frank
