bug#19576: write-file writes the wrong buffer

[Eli Zaretskii]

> Date: Fri, 20 Nov 2015 15:21:07 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: acm@muc.de, juri@linkov.net, andlind@gmail.com, 
>  19576@debbugs.gnu.org
> 
>  >> Then it conceptually can run into a loop where it continuously grows and
>  >> shrinks the mini window?
>  >
>  > What loop?  Redisplay doesn't call 'message';
> 
> I meant the code run by ‘window-size-change-functions’ might call
> ‘message’.

In that case, redisplay won't be called by that invocation of
'message'.

Moreover, redisplay_internal doesn't allow to invoke itself
recursively (although I never saw it happening), it returns
immediately if that happens.