Re: save-excursion doesn't always work

[David Kastrup <David.Kastrup@t-online.de>]

"Stefan Monnier <foo@acm.com>" <monnier+gnu.emacs.help/news/@flint.cs.yale.edu> writes:

> >>>>> "David" == David Kastrup <David.Kastrup@t-online.de> writes:
> > You can't, for the above reason.  AUCTeX's filling modes would have to
> > be rewritten so that instead of deleting all spaces and reinserting
> > one space, AUCTeX would delete all spaces except one.
> > I think Emacs' default filling by now does something like that.
> 
> It might do a few things slightly differently, but it will modify the
> buffer anyway, even if the end result is exactly the same as the
> starting point (e.g. it will first turn all \n into spaces and then
> turn them back into \n).

We are not talking about modification of the buffer, but about marks
being moved around in seemingly random manner.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum