Re: [Emacs-diffs] master 29c360e: Ensure redisplay after "C-x C-e"

[Eli Zaretskii <eliz@gnu.org>]

> Date: Fri, 6 Nov 2015 16:11:43 +0000
> From: Artur Malabarba <bruce.connor.am@gmail.com>
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel <emacs-devel@gnu.org>
> 
> 2015-11-06 15:30 GMT+00:00 Eli Zaretskii <eliz@gnu.org>:
> >> Date: Fri, 6 Nov 2015 14:53:01 +0000
> >> From: Artur Malabarba <bruce.connor.am@gmail.com>
> >> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel <emacs-devel@gnu.org>
> >>
> >> > "C-x C-e"
> >>
> >> C-x C-e is not the only way to evaluate arbitrary lisp code, there are
> >> plenty of others (,
> >> eval-expression, etc).
> >
> > Does any of them cause the problem I tried to fix?  IOW, if any of
> > these include the form (setq line-spacing 1.0), does evaluating it
> > fail to redraw the selected window with the new line-spacing?
> 
> eval-buffer, eval-region, and eval-defun all do (you have to invoke
> them with keys, not with M-x).

Thanks, I will think about a solution to at least some of these.

But in any case, "C-x C-e" is frequently used to test the effect of a
variable, so having at least that produce an immediate effect is IMO a
Good Thing.