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bug#11068: 24.0.94; Face-remapped background does not extend to end of w

From: Ivan Andrus
Subject: bug#11068: 24.0.94; Face-remapped background does not extend to end of window
Date: Fri, 23 Mar 2012 11:48:12 +0100

On Mar 23, 2012, at 11:36 AM, Eli Zaretskii wrote:
From: Ivan Andrus <address@hidden>
>> Date: Thu, 22 Mar 2012 21:49:10 +0100
>> Run emacs -Q and then evaluate (e.g. in *scratch*) the following
>> (face-remap-add-relative 'default '(:background "dark green"))
>> Notice that the dark green background only appears on the lines which
>> actually contain text.  Most of the window still has the white
>> background since the buffer only consists of a few lines.  This is
>> annoying for my use case of different backgrounds to signify different
>> modes (e.g. read only).
>> It is also a problem when using :stipple e.g.
>> (face-remap-add-relative 'default '(:stipple 
>> "/Users/gvol/.emacs.d/local/pic/b-rock-grey.jpg"))
> Thanks.
> This is how Emacs display engine always worked: the non-text parts of
> the window display are drawn in the default face.  (Remapping does not
> change the default face, as far as Emacs internals are concerned, it
> just substitutes a different face in its stead, leaving the literal
> DEFAULT_FACE_ID intact.)

> So this bug has rather low priority at this time, as it's not a
> regression wrt Emacs 23.  Time permitting, I will at the very least
> try to figure out what changes are needed to make this work as
> expected.

I completely understand about priorities right now.  In fact, it's taken me a 
while to finally get around to reporting it.


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