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Image display problems in Gnus

From: Kim F. Storm
Subject: Image display problems in Gnus
Date: Wed, 13 Sep 2006 16:40:40 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

David Kastrup <address@hidden> writes:

Ref: [Reiner Steib] [AUCTeX-devel] toolbar-x.el modifies global value of 

> Ok, this mail behaves _really_ weird with regard to images.  Hopefully
> you are using gnus as a mail reader (and the geometry is suitable
> similar to mine).

I don't see the problem, but perhaps it is because your signature
was appended to the original mail.

However, I know there is a problem with images at the end of a message
in Gnus article buffers!

It is somehow related to the image being shown as part of an overlay
on the last newline character in the buffer (or some such), followed by another 
overlay covering the rest of the article (the signature).
I didn't quite figure out what Gnus does though.

This causese problems for the redisplay engine when it tries to figure
out where to display the cursor -- and it ends up displaying it at
some position which is not visible in the window.

This triggers the recenting code in redisplay which wants the cursor
position to be displayed in the window.  But this still results in
the cursor in some invalid position....

.. and finally, the redisplay has some code which catches this
anomaly and displays the cursor in the upper left corner of the window

I've been trying hard to find a way to fix that, but as I said in my
message about the recent fixes to improve image scrolling, it works
for "normal images" ... and I should have added under "normal

I think this may be easier to fix this in Gnus than in redisplay!!

Kim F. Storm <address@hidden> http://www.cua.dk

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