GNU bug report logs - #19576
24.4; Broken function in `window-size-change-functions' cause `write-file' to write the wrong buffer

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Message #178 received at 19576 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: acm <at> muc.de, 19576 <at> debbugs.gnu.org, andlind <at> gmail.com, juri <at> linkov.net
Subject: Re: bug#19576: write-file writes the wrong buffer
Date: Sat, 21 Nov 2015 21:08:29 +0200

> Date: Sat, 21 Nov 2015 19:44:07 +0100
> From: martin rudalics <rudalics <at> gmx.at>
> CC: andlind <at> gmail.com, acm <at> muc.de, 19576 <at> debbugs.gnu.org, 
>  juri <at> linkov.net
> 
>  > We could run both types of hooks, couldn't we?
> 
> As I said we do that already for splitting and deleting windows.  So we
> obviously could.  But this means that packages run the same function
> twice because they are used to run the same function in both hooks.

That'[s why I think we should do this on master, to see if this causes
any problems.

>  > The documentation
>  > seems to suggest that both of them should be run in this situation.
> 
> ‘window-configuration-change-hook’ shouldn't run since the window
> configuration does not change.

But the ELisp manual says it should:

   -- Variable: window-configuration-change-hook
       A normal hook that is run every time you change the window
       configuration of an existing frame.  This includes splitting or
       deleting windows, changing the sizes of windows, or displaying a
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       different buffer in a window.

> But why should we OT1H make ‘window-size-change-functions’ more
> efficient when OTOH we call it after we already called
> ‘window-configuration-change-hook’?

Sorry, I don't see the relevance of efficiency to this issue.

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