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From: Jens Lautenbacher <jens@metrix.de>
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Subject: Re: Group highlighting
Date: 01 Mar 1997 02:58:54 +0100
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Cc: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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In-Reply-To: Lars Magne Ingebrigtsen's message of 01 Mar 1997 01:01:24 +0100
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Lars Magne Ingebrigtsen <larsi@ifi.uio.no> writes:

> Jens Lautenbacher <jens@lemming0.lem.uni-karlsruhe.de> writes:
> 
> > There seem to be some inconsitencies with the way groups lines are
> > highlighted. 
[blurb] 
> > The problem is that first a) is done and then, if it is selected, b).
> > But b) overwrites any (face) changes done by a).
> 
> Yes, this is a problem.  Uhm.  The fontification done by A can't be
> done after B, since it's actually done while inserting the text.
> Uhm.  Well, perhaps the `gnus-group-highlight-line' should be
> rewritten to be done before inserting anything in the buffer, so that
> we know what the default face is supposed to be before inserting any
> of the text?  I don't know whether that's workable...

Why not doing it the way I suggested: Introduce another spec for the
gnus-group-format-line which, if present, will limit the area
gnus-group-highlight-line will work on. This could be achived by
inserting an extent spanning the area with a special property, say
'do-highlight-here set. Gnus-group-highlight-line only needs to be
changed to 1) check if such an extent is present here. If not, proceed
as before. 2) If it is, highlight only the area that covers this
extent.

If I would know how to define another spec , say something along the
line %&{ ..... %} (this is not present already, is it?) I would do
this, but unfortunately I didn't really understand that part from a
quick glance...

      JTL