Ubuntu 13.10 32-bit
Intel Ironlake Mobile x86/MMX/SSE
Broken: 2.69.8 8aaf4aa
Short description of error
In Text Editor, the actions of undo or redo a previous text created with Text Insert Mode enabled (key INS), don't work properly, letting the text unrecoverable.
Exact steps for others to reproduce the error
lease, see this video. Look how each redo or undo action is immediately undone by the following one, making impossible to recover or redo the text properly.