> C-x d /tmp RET
> M-! touch 00a RET
> g --> Now yu should see a file named 00a
> C-x C-q
> undo --> Now you don't see the file 00a any more
> The operation undone was the deletion of the old buffer contents and
> insertion of the new contents. No wonder I turned off undo for that.
> The comparable operation for files discards undo data also.
In my local Emacs hacks, I've fixed the inconsistency the other way: revert
doesn't throw away undo info any more. I find it very convenient,
especially when the revert is caused by PCL-CVS, or VC, or some such.
Stefan
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