GNU bug report logs - #29279
Sharing the margins

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 29279 <at> debbugs.gnu.org, joostkremers <at> fastmail.fm
Subject: bug#29279: Sharing the margins
Date: Sun, 19 Nov 2017 01:46:29 +0200

On 11/16/17 5:39 PM, Eli Zaretskii wrote:

>>> Regardless of the reasons for this change, it doesn't affect the issue
>>> at hand: calling window-size-change-functions from inside redisplay
>>> has the same issues as calling window-configuration-change-hook.

Could you clarify what is the exact issue, BTW?

>> But margin size changes won't have to call window-size-change-functions,
>> right? Then it might be possible to move all the heavy consumers to this
>> hook, leaving window-configuration-change-hook relatively lightweight
>> (right)?
> 
> For some value of "lightweight".  The ones that I think about would
> want to change window dimensions, e.g. by enlarging or shrinking the
> margins, and that is not "lightweight", as I explained up-thread.

Are window-size-change-functions really supposed to be called when only 
the margin size has changed, but not the window's outer dimensions?

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