Suggested by Benjamin Xu.
* gnus.texi (Splitting Mail): Mention the new fancy splitting
function.
+ (Article Hiding): Add google banner example. Suggested by Benjamin
+ Xu.
2010-09-30 Teodor Zlatanov <tzz@lifelogs.com>
corresponding regular expression in @code{gnus-article-banner-alist} is
used.
+For instance:
+
+@lisp
+(setq gnus-article-banner-alist
+ ((googleGroups .
+ "^\n*--~--~---------\\(.+\n\\)+")))
+@end lisp
+
Regardless of a group, you can hide things like advertisements only when
the sender of an article has a certain mail address specified in
@code{gnus-article-address-banner-alist}.