* gnus.el (gnus-version-number): Update to 6.10.5.

* gnus.el (gnus-version-number): Update to 6.10.5.
* gnus-sum.el (gnus-articles-to-read): If the number of unread articles is
more than `gnus-large-newsgroup', use it in default instead of the maximum
number.
(gnus-mime-extract-multipart): New function; add it to the acting-condition
for extracting mulitpart messages.
(gnus-mime-extract-message/rfc822): New function; add it to the
acting-condition for extracting message/rfc822 or message/news.