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Re: Random redisplay problem


From: Andreas Schwab
Subject: Re: Random redisplay problem
Date: Thu, 21 Feb 2002 11:38:56 +0100
User-agent: Gnus/5.090005 (Oort Gnus v0.05) Emacs/21.2.50 (ia64-suse-linux)

Juanma Barranquero <address@hidden> writes:

|> On Thu, 21 Feb 2002 10:07:58 +0100, I wrote:
|> 
|> > The symptom seem to be leftover characters on the screen while moving
|> > pagewise.
|> > 
|> > I'm sorry I cannot offer more info.
|> 
|> I can reproduce it with this minimal .emacs:
|> 
|> (global-font-lock-mode t)
|> (set-face-attribute 'font-lock-doc-face nil :italic t)
|> 
|> Then I load ielm.el, and I do an incremental search of "looking". Doing
|> several C-s in a row (to move back and forth between the two instances
|> of `looking-at' on ielm.el), I get a bogus character every time (when
|> Emacs is displaying the definition of `ielm-return') either on the
|> line where looking-at appears or the following one.

I can reproduce that even with the default setting for font-lock-doc-face.
I'm also getting a highligted "g" (in the isearch face) overlayed over the
"o" in comint-prompt-regexp of ielm-get-old-input.  This is the same place
where the cursor used to be at the other occurrence of lookup.  It seems
like some redisplay bug related to the cursor (independent of
blink-cursor-mode).

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 N├╝rnberg
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