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

[Ralf Angeli]

* Johannes Grünbauer (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 archive¹ 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.

Regards,
Ralf

________
¹ <URL:http://mail.gnu.org/archive/html/emacs-pretest-bug/2003-09/msg00017.html>