* gnus-util.el (gnus-directory-sep-char-regexp): New.
* gnus-score.el (gnus-score-find-bnews): Sync with Gnus CVS.
* mm-util.el: Sync.
* gnus-sum.el (gnus-summary-limit-to-subject): An exclusion version.
(gnus-summary-limit-to-author): Ditto.
(gnus-summary-limit-to-extra): Ditto.
(gnus-summary-find-matching): Support not-matching argument.
* message.el (message-wash-subject): Use `insert' rather than
`insert-string', which is deprecated.
From Kai Gro,A_(Bjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
* gnus-score.el (gnus-summary-score-entry): match may be an integer.
* gnus-art.el (gnus-summary-save-in-pipe): Prompt for saving
command if there is not last-saver.
* rfc2047.el (rfc2047-encode): MIME charset is not coding system.
(rfc2047-charset-encoding-alist): Add big5.
* mm-util.el (mm-mime-mule-charset-alist): Preferred MIME names
GB2312 and Big5.
* gnus-score.el (gnus-score-lower-thread): Fix a doc typo.
* gnus-sum.el (gnus-summary-print-article): Remove process mark.
* gnus-sum.el (gnus-summary-print-article): Take one prefix
argument. Allow to print several articles in one file.
* webmail.el (webmail-type-definition): netaddress changes.