bug#10254: 24.0.92; Local variable bibtex-dialect has no effect

[Uwe Siart <uwe.siart@tum.de>]

In bibtex-mode I tried to set bibtex-dialect automatically via

,----
| ;; -*- bibtex-dialect: biblatex; -*-
`----

in the first line of a bib file. From "C-h v bibtex-dialect" I get

,----
| bibtex-dialect is a variable defined in `bibtex.el'.
| Its value is biblatex
| Original value was BibTeX
| Local in buffer siart.bib; global value is BibTeX
| 
|   This variable is a file local variable.
`----

as expected. However, when I type e.g. "C-c C-c" inside an entry where a
date field exists instead of a year field, I get the error that the
mandatory field year is missing. This would be correct for
bibtex-dialect BibTeX but not for biblatex.

If I then got to menu 'Entry-Types' and set bibtex-dialect via the menu,
everything is fine i.e. I get biblatex support as expected.


In GNU Emacs 24.0.92.1 (i386-mingw-nt5.1.2600)
 of 2011-12-07 on MARVIN
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.6) --no-opt --cflags -ID:/devel/emacs/libs/libXpm-3.5.8/include -ID:/devel/emacs/libs/libXpm-3.5.8/src -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include -ID:/devel/emacs/libs/giflib-4.1.4-1/include -ID:/devel/emacs/libs/jpeg-6b-4/include -ID:/devel/emacs/libs/tiff-3.8.2-1/include -ID:/devel/emacs/libs/gnutls-2.10.1/include --ldflags -LD:/devel/emacs/libs/gnutls-2.10.1/lib'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: DEU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  iswitchb-mode: t
  electric-pair-mode: t
  display-time-mode: t
  delete-selection-mode: t
  auto-insert-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
y <next> C-h v b i b t e x <tab> d i <tab> <return> 
C-x 1 <down> <down> <down> <down> <down> <down> <down> 
<down> <down> C-c C-c <down> <up> <prior> <prior> <prior> 
<prior> <prior> <prior> <prior> <prior> <prior> <prior> 
<prior> <prior> C-c m <menu-bar> <Entry-Types> <BibTeX 
dialect> <biblatex> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> C-c C-c <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> C-c C-c C-x u <up> <up> <up> <up> <up> 
<up> C-x 5 b <return> M-x r e p o r t <tab> <retur
n>

Recent messages:
Loading electric...done
Loading iswitchb...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Please type y, n, or !: y
Type C-x 1 to delete the help window.
bibtex-format-entry: Mandatory field `year' is missing
scroll-down-command: Beginning of buffer [10 times]
Menu-Bar mode enabled
bibtex-format-entry: Mandatory field `editor' is missing
Undo!

Load-path shadows:
None found.

Features:
(shadow sort rfc1345 quail gnus-util mail-extr message format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mailabbrev mail-utils
gmm-utils mailheader emacsbug pp help-mode view latex easy-mmode
tex-style tex advice advice-preload bibtex regexp-opt iswitchb electric
time delsel cus-start cus-load autoinsert tex-site auto-loads
dired-sort-map server x-dict easymenu htmlize help-fns boxquote rect cl
paren edmacro kmacro time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel dos-w32 disp-table ls-lisp w32-win w32-vars
tool-bar dnd fontset image fringe lisp-mode register page menu-bar
rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax
facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak
czech european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer button faces cus-face files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
multi-tty emacs)

-- 
Prof. Dr.-Ing. Uwe Siart
Lehrstuhl für Hochfrequenztechnik
Technische Universität München
Arcisstr. 21, 80333 München, Germany
E-Mail: uwe.siart@tum.de
Tel.:   +49.89.289.23374
Fax:    +49.89.289.23365