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Re: Redisplay problems?

From: Stefan Monnier
Subject: Re: Redisplay problems?
Date: Fri, 21 Mar 2014 15:39:17 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

>> > If so, you have no other way but marking such frames "garbaged" when
>> > they are deiconified.
>> I highly doubt it.
> How else can you redisplay a frame whose current glyph matrices fell
> behind, while the frame was iconified?

While the frame is iconified, glyph matrices are not updated, so if some
part of the frame is modified during this time, its `redisplay' bit will
be set (and stay set), so after it gets deiconified, redisplay will know
that the glyph matrices need to be updated.


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