21.5.28: Reverting a buffer leaves its status as modified

[David Kastrup]

"Stephen J. Turnbull" <stephen at xemacs.org> writes:

> Ville Skyttä writes:
>
>  > Reverting a buffer in 21.5.28 leaves the buffer's status as
>  > modified for me.
>
> Yeah, I've reported this.  I think I have observed other operations
> that should not change the modiff but do, but I can't reproduce.  I
> don't know what's going on, but it goes back to at least 21.5.27
> (+CVS-20070324).
>
> Aidan and Mike are the ones to most recently touch the revert code,
> but I observe the issue in builds earlier than their changes.

One culprit for buffer-modified can be text properties, possibly in
connection with font-locking.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum