[browse-url-mail] void-variable mail-citation-hook

[Hiroshi Fujishima]

Symptoms:


When I execute M-x browse-url-mail, I got following error:

Debugger entered--Lisp error: (void-variable mail-citation-hook)
  browse-url-mail("mailto:address@hidden"; nil)
  call-interactively(browse-url-mail)
  execute-extended-command(nil)
  call-interactively(execute-extended-command)

In GNU Emacs 21.3.50.1 (sparc-sun-solaris2.8, X toolkit, Xaw3d scroll bars)
 of 2004-06-07 on newton.nature.tsukuba.ac.jp
configured using `configure '--prefix=/usr/local/emacs21' 
'--x-includes=/usr/local/emacs21/include:/usr/misc/include' 
'--x-libraries=/usr/local/emacs21/lib' '--without-xim''

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: ja_JP.eucJP
  locale-coding-system: japanese-iso-8bit
  default-enable-multibyte-characters: t

Major mode: Debugger

Minor modes in effect:
  iswitchb-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
ESC x g n u s <return> m C-c C-k <escape> x b r o <tab> 
- m <tab> a <tab> <return> C-a C-e C-a C-e C-a C-e 
C-a C-e C-a C-e C-a C-b C-a C-k C-k C-k <help-echo> 
C-y <return> <escape> x t o g <tab> d e <tab> e <tab> 
<return> <escape> x <up> <up> <return> <up> <return> 
C-x h M-w <escape> x r e p o r <tab> <return>

Recent messages:
Loading thingatpt...done
byte-code: Text is read-only: #<buffer  *Minibuf-1*>
kill-line: End of buffer
Loading rfc2368...done
call-interactively: Symbol's value as variable is void: mail-citation-hook
Debug on Error enabled
Loading debug...done
Entering debugger...
Mark set [2 times]
Loading emacsbug...done