Re: undoing changes automatically

[Roland Winkler]

On Mon Nov 12 2007 David Kastrup wrote:
> > So I want to put the call to undo in the code such that it undoes
> > all the formatting before it throws the error.
> 
> atomic-change-group is a Lisp macro in `subr.el'.
> (atomic-change-group &rest BODY)
> 
> Perform BODY as an atomic change group.
> This means that if BODY exits abnormally,
> all of its changes to the current buffer are undone.
> This works regardless of whether undo is enabled in the buffer.

Perfect, thanks. It seems that this does exactly what I want.

Roland