* Blackholes::
* Regular Expressions Header Matching::
* Bogofilter::
+* SpamAssassin backend::
* ifile spam filtering::
* spam-stat spam filtering::
* SpamOracle::
the group by putting @code{(gnus-list-identifiers "DOCBOOK-APPS:")}
into the group parameters for the group.
-This can also be used as a group-specific hook function, if you'd like.
-If you want to hear a beep when you enter a group, you could put
-something like @code{(dummy-variable (ding))} in the parameters of that
-group. @code{dummy-variable} will be set to the result of the
-@code{(ding)} form, but who cares?
+This can also be used as a group-specific hook function. If you want to
+hear a beep when you enter a group, you could put something like
+@code{(dummy-variable (ding))} in the parameters of that group.
+@code{dummy-variable} will be set to the (meaningless) result of the
+@code{(ding)} form.
+
+Alternatively, since the VARIABLE becomes local to the group, this
+pattern can be used to temporarily change a hook. For example, if the
+following is added to a group parameter
+
+@lisp
+(gnus-summary-prepared-hook
+ '(lambda nil (local-set-key "d" (local-key-binding "n"))))
+@end lisp
+
+when the group is entered, the 'd' key will not mark the article as
+expired.
@end table
@item gnus-mime-multipart-functions
Alist of @acronym{MIME} multipart types and functions to handle them.
+@vindex gnus-mime-display-multipart-alternative-as-mixed
+@item gnus-mime-display-multipart-alternative-as-mixed
+Display "multipart/alternative" parts as "multipart/mixed".
+
+@vindex gnus-mime-display-multipart-related-as-mixed
+@item gnus-mime-display-multipart-related-as-mixed
+Display "multipart/related" parts as "multipart/mixed".
+
+If displaying "text/html" is discouraged, see
+@code{mm-discouraged-alternatives} in @ref{Display Customization,
+Display Customization, , emacs-mime, Emacs-Mime Manual}. Images or
+other material inside a "multipart/related" part might be overlooked
+when this variable is nil.
+
+@vindex gnus-mime-display-multipart-as-mixed
+@item gnus-mime-display-multipart-as-mixed
+Display "multipart" parts as "multipart/mixed". If t, it overrides nil
+values of @code{gnus-mime-display-multipart-alternative-as-mixed} and
+@code{gnus-mime-display-multipart-related-as-mixed}.
+
@vindex mm-file-name-rewrite-functions
@item mm-file-name-rewrite-functions
List of functions used for rewriting file names of @acronym{MIME} parts.
@cindex coding system aliases
@cindex preferred charset
+@xref{Encoding Customization, , Encoding Customization, emacs-mime,
+The Emacs MIME Manual}, for additional variables that control which
+MIME charsets are used when sending messages.
+
Other charset tricks that may be useful, although not Gnus-specific:
If there are several @acronym{MIME} charsets that encode the same Emacs
@itemize @bullet
@item
+@kbd{F} (@code{gnus-article-followup-with-original}) and @kbd{R}
+(@code{gnus-article-reply-with-original}) only yank the text in the
+region if the region is active.
+
+@item
@code{gnus-group-read-ephemeral-group} can be called interactively,
using @kbd{G M}.