Bug#511093: undo in scratch buffer

[G. Milde]

On  7.01.09, Stanislav Maslovski wrote:
> Package: jed
> Version: 1:0.99.18+dfsg.1-11

> Trying to undo (^_ in emacs mode or from the menu) in a scratch buffer
> does nothing.

This is no bug but a feature. By default, the undo buffer is only
enabled for buffers associated with a file.

You can change this with the toggle_undo function or use
set_buffer_undo(1) in a hook in a configuration file.

Günter