Re: undo mechanism

[Stefan Monnier]

>    I think that running ogg123 on a .ogg file in the shell will do it.  I
>    think running wget asynchronously to download a big file will do it.

> If you are handling 3+M files, the warning is to be expected.

Actually, I don't see any reason why Emacs should complain about it.
Most likely what should happen is that undo that's accumulated from
process's output should be chunked automatically.

E.g. we could add an undo-boundary after running a process filter, or from
an idle-timer.


        Stefan