libundo: Libundo (Manages undo/redo information)
libundo:
libundo: 'Libundo' is a simple, easy-to-use  library  which manages recording
libundo: and playback of undo/redo information for application developers. It
libundo: is intentionally simple so it can  plug  in to existing applications
libundo: and require  the writing of only a minimal amount of support code to
libundo: support multi-level undo/redo.
libundo:
libundo:
libundo:
libundo: