rmail-search-mime-header-function doc string mistake

[Frederik Fouvry]

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In GNU Emacs 21.1.1 (i686-pc-linux-gnu, X toolkit)
 of 2001-11-07 on cc.at.coli.uni-sb.de
configured using `configure  --with-pop --prefix=/usr'
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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

In this docstring (rmail.el) the number of arguments is wrong:

;;;###autoload
(defvar rmail-search-mime-header-function nil
  "Function to check if a regexp matches a header of MIME message.
This function is called if `rmail-enable-mime' is non-nil.
It is called with four arguments MSG, REGEXP, and LIMIT, where
MSG is the message number,
REGEXP is the regular expression,
LIMIT is the position specifying the end of header.")

There are only three instead of four arguments.

-- 
Frederik Fouvry     Universität des Saarlandes, Computerlinguistik
Gebäude 17/3.02 - Postfach 15 11 50 - D-66041 Saarbrücken, Germany
telephone: +49(0)681 302 4176        facsimile: +49(0)681 302 4700
fouvry@coli.uni-sb.de           http://www.coli.uni-sb.de/~fouvry/