bug#19576: write-file writes the wrong buffer

[Eli Zaretskii]

> Date: Mon, 30 Nov 2015 14:30:31 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: acm@muc.de, 19576@debbugs.gnu.org, andlind@gmail.com, 
>  juri@linkov.net
> 
>  >> Here with emacs -Q evaluating
>  >>
>  >> (message "...\n")
>  >>
>  >> runs ‘window-size-change-functions’.  Evaluating
>  >>
>  >> (read-file-name "...\n")
>  >>
>  >> doesn't.  If this is intentional it should be documented.
>  >
>  > I don't know if it's intentional.  Could you please look into this and
>  > publish what you find?  I really could use some help here.
> 
> The attached patch runs ‘window-size-change-functions’ for any call of
> ‘read-from-minibuffer’ that changes the size of the minibuffer window
> either via the prompt or user input.  I have no idea whether it handles
> all possible cases nor whether it might baldy interact with the part
> that traces messages resizing the echo area.

Thanks, please push to the emacs-25 branch.