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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Message #22 received at 3347 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: 3347 <at> debbugs.gnu.org
Subject: Re: 23.0.93; unnecessary display updates with mouse-drag-region
Date: Thu, 11 Jun 2009 09:28:10 +0900

>>>>> On Wed, 10 Jun 2009 12:50:23 -0400, Chong Yidong <cyd <at> stupidchicken.com> said:

>> 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).

No.  The breakpoint didn't hit during mouse dragging.

				     YAMAMOTO Mitsuharu
				mituharu <at> math.s.chiba-u.ac.jp
This bug report was last modified 4 years and 187 days ago.

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