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Re: textual artifacts


From: Tim X
Subject: Re: textual artifacts
Date: Thu, 15 Jan 2009 17:55:12 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

address@hidden (Ross A. Laird) writes:

> I am using the emacs-snapshot package, which, according to the About
> screen, is this:
>
> GNU Emacs 23.0.60.1 (i486-pc-linux-gnu, GTK+ Version 2.14.3)
>
> In org-mode (and elsewhere, at times) various bits of text can become
> invisible but re-appear when I move the cursor over them. Also,
> sometimes when I move about in a file, bits of the file from farther
> down (or farther up) will remain displayed in the buffer even though
> they are much later or earlier in the document than the current
> viewpoint. This is all a bit hard to describe, but it's basically a
> situation where textual artifacts keep showing up. And it's not limited
> to org-mode buffers, either; sometimes, it happens in the minibuffer
> (though mostly, the item just becomes invisible).
>
> Ideas?

You don't give any idnication of how old that snapshot is. Som eof the
emacs-snapshot packages I've seen are very old - in fact, I saw a ubuntu
one today that had a date in 2007!!!

At various times, I've seen similar things to what you appear to be
describing. In my case, it has been fixed with re-fontifying the buffer
using 

M-x font-lock-fontify-buffer

What you are observing are probably intermidiate bugs in the
code. Remember, emacs-snapshot is a snapshot of the CVS development tree
and you can expect to encounter things like this. 

Use M-x emacs-version and find out when the package you are using was
created. If its older than a few weeks, find a newer version or build
from sources. Its likely the problem has been fixed in later versions
(though its just as likely it could come back - thats the downside of
using development code).

Tim

-- 
tcross (at) rapttech dot com dot au


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