GNU bug report logs - #37957
BibTeX dialect not set if local variables disabled

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Richard Copley <rcopley <at> gmail.com>
Subject: bug#37957: closed (Re: bug#37957: BibTeX dialect not set if local
 variables disabled)
Date: Wed, 02 Dec 2020 19:55:02 +0000

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Your bug report

#37957: BibTeX dialect not set if local variables disabled

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 37957 <at> debbugs.gnu.org.

-- 
37957: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37957
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: "Roland Winkler" <winkler <at> gnu.org>
To: Richard Copley <rcopley <at> gmail.com>, Lars Ingebrigtsen <larsi <at> gnus.org>,
 37957-done <at> debbugs.gnu.org
Subject: Re: bug#37957: BibTeX dialect not set if local variables disabled
Date: Wed, 2 Dec 2020 13:54:00 -0600

Fixed with commit 40f42945ed1ee76c16ee4c58c7f37a412a3aa407.

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From: Richard Copley <rcopley <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org, Roland Winkler <winkler <at> gnu.org>
Subject: BibTeX dialect not set if local variables disabled
Date: Mon, 28 Oct 2019 09:44:15 +0000

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From "emacs -Q",
* Set the variable 'enable-local-variables' to nil.
* Visit a BibTeX (*.bib) file.
* Wait one minute or eval (bibtex-parse-buffers-stealthily).

Lisp error: (wrong-type-argument number-or-marker-p nil)
Backtrace:
  1+(nil)
  (buffer-substring-no-properties (1+ (match-beginning
bibtex-type-in-head)) (match-end bibtex-type-in-head))
  bibtex-type-in-head()
  (assoc-string (bibtex-type-in-head) bibtex-entry-alist t)
  [...]
  bibtex-parse-keys(t)
  bibtex-parse-buffers-stealthily()
  [...]

On visiting a BibTeX file, if enable-local-variables is nil,
'bibtex-set-dialect' doesn't get called. This causes errors later on. For
example, when 'bibtex-parse-buffers-stealthily' is called, we get the above
error, because 'bibtex-entry-head' has not been set. Glancing at the
history of  'bibtex-major-mode', this commit seems a likely candidate:

ace88aa20f32b298e7f2e8e6115b5661504f8724
Author: Roland Winkler <winkler <at> gnu.org>
AuthorDate: Sat Jan 28 12:06:10 2012 -0600

lisp/textmodes/bibtex.el: allow bibtex-dialect as file-local variable
(Bug#10254)

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