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Re: enable-local-variables 'maybe


From: Roland Winkler
Subject: Re: enable-local-variables 'maybe
Date: 16 Feb 2002 12:27:45 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1

I digged a little deeper into the problem I encountered with bibtex
files using file-local variables. It seems to me, it is really a
problem that is not related to timers displaying echo area messages.
Possibly it is specific to bibtex.el.

I have

(setq enable-local-variables 'maybe)
(setq-default bibtex-maintain-sorted-entries t)

Then file-local variables in foo.bib give me the error message

"File local-variables error: (error "Missing colon in local variables entry")

The reason is that the y-or-n-p in hack-local-variables interferes
with the catch and throw 'userkey in bibtex-parse-keys.

What is the best way to avoid this problem?

Roland



address@hidden (Roland Winkler) writes:

> On Wed Feb 13 2002 Richard Stallman wrote:
> > Does this fix the bug for bibtex?  I can't test it myself.
> 
> For avoiding the echo area messages the complete patch is attached
> below. However, I am surprised that this does not completely solve
> the problem:
> 
> Something else is still messing the position of point, i.e., I still
> get the error message:
> 
> "File local-variables error: (error "Missing colon in local variables entry")
> 
> All I could find out is:
> 
> When during the call of the function hack-local-variables the point
> is supposed to be at the local variable, it is indeed in the second
> line of the bibtex file foo.bib. Somewhere, a save-excursion is missing. 
> 
> Roland
> 
> 
> *** bibtex.el~  Thu Feb 14 21:01:14 2002
> --- bibtex.el   Thu Feb 14 21:31:14 2002
> ***************
> *** 2397,2405 ****
>                  bibtex-maintain-sorted-entries
>                  (not
>                   (eq (buffer-modified-tick)
>                       bibtex-buffer-last-parsed-tick)))
> !               (if (bibtex-parse-keys nil t t)
>                     ;; successful operation --> remove buffer from list
>                     (setq buffers (cdr buffers)))
>               ;; buffer is no BibTeX buffer or needs no parsing
>               (setq buffers (cdr buffers))))))))
> --- 2397,2405 ----
>                  bibtex-maintain-sorted-entries
>                  (not
>                   (eq (buffer-modified-tick)
>                       bibtex-buffer-last-parsed-tick)))
> !               (if (bibtex-parse-keys nil nil t)
>                     ;; successful operation --> remove buffer from list
>                     (setq buffers (cdr buffers)))
>               ;; buffer is no BibTeX buffer or needs no parsing
>               (setq buffers (cdr buffers))))))))
> ***************
> *** 2697,2705 ****
>     (if bibtex-maintain-sorted-entries
>         (bibtex-run-with-idle-timer
>          1 nil
>          (lambda ()
> !          (bibtex-parse-keys nil t t))))
>     ;; to get buffer parsed once if everything else (including things
>     ;; installed in bibtex-mode-hook) has done its work
>     (if (not bibtex-parse-idle-timer)
>         (setq bibtex-parse-idle-timer
> --- 2697,2705 ----
>     (if bibtex-maintain-sorted-entries
>         (bibtex-run-with-idle-timer
>          1 nil
>          (lambda ()
> !          (bibtex-parse-keys nil nil t))))
>     ;; to get buffer parsed once if everything else (including things
>     ;; installed in bibtex-mode-hook) has done its work
>     (if (not bibtex-parse-idle-timer)
>         (setq bibtex-parse-idle-timer
> 

-- 
-----------------------------------------------------------------------
 Dr. Roland Winkler
 Lst. fuer Theoretische Festkoerperphysik     Phone  ++49-9131-85 28834
 Institut fuer Technische Physik III          Fax    ++49-9131-85 28833
 Universitaet Erlangen-Nuernberg
 Staudtstr. 7
 D-91058 Erlangen         e-mail: address@hidden
 Germany                  http://www.tfkp.physik.uni-erlangen.de/
-----------------------------------------------------------------------




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