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Re: Infinite loop in xdisp.c (try_scrolling) (was: preview-latex-0.78)


From: Kim F. Storm
Subject: Re: Infinite loop in xdisp.c (try_scrolling) (was: preview-latex-0.78)
Date: 14 Apr 2004 02:28:19 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Ralf Angeli <address@hidden> writes:

> * Johannes Gr├╝nbauer (2003-12-04) writes:
> 
> > I installed "auctex 11.14" and "preview latex 0.78" and loaded circ.tex
> > for test.
> >
> > The previews are buildt correctly.
> >
> > When I move down with the cursor, emacs hangs in line 76.
> >
> > Must be a bug--it works under Linux.
> 
> I doubt that.  Using a build of November 19th I can reproduce this on
> Linux as well.  As Savannah is down, I cannot test a recent one.
> 
> The problem is an inifite loop in the function `try_scrolling' in
> `xdisp.c'.  You can find my bug report and the following discussion in
> the archive┬╣ of this mailing list.
> 
> There was some private mail exchange as well and I got a patch for the
> version of `xdisp.c' back then from Gerd Moellmann which prevents the
> infinite loop from happening but makes scrolling quite erratic.  If
> somebody is interested, I can post it here.  After I received the
> patch the discussion stopped unfortunately.

I just installed some patches to fix this problem (partially based on
Gerd's patch), as well as some display errors related to images
(duplicate image area, misplaced cursors, failure to scroll images
into view).

Please test to see if you can still make it crash, or behave oddly.

-- 
Kim F. Storm  http://www.cua.dk





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