GNU bug report logs - #3347
23.0.93; unnecessary display updates with mouse-drag-region

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Package: emacs;

Reported by: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>

Date: Fri, 22 May 2009 03:00:03 UTC

Severity: normal

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: 3347 <at> debbugs.gnu.org
Subject: bug#3347: 23.0.93; unnecessary display updates with mouse-drag-region
Date: Wed, 10 Jun 2009 12:50:23 -0400

> Mouse dragging over a text in the default face causes unnecessary
> updates in other windows displaying the same buffer.
>
> I tried some older versions and found that the change below made the
> difference.
>
> 2008-07-08  Chong Yidong  <cyd <at> stupidchicken.com>
>
>             * xfaces.c (Finternal_merge_in_global_face): Save merged
>             attributes for the default face back into the face vector.

I don't see why.  Is Finternal_merge_in_global_face called when you
perform mouse dragging?  It should not be (and on my current GNU/Linux
build it isn't).
This bug report was last modified 4 years and 186 days ago.

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