Commit 5de1f63d authored by Kai Großjohann's avatar Kai Großjohann
Browse files

Explain nnmail-split-fancy-with-parent.

parent 6b8a0b2d
2000-11-01 Kai Gro,A_(Bjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
* gnus.texi (Fancy Mail Splitting): Explain
2000-10-29 Michael Kifer <>
* ediff.texi: Replaced @command with @code & acknowledgements.
......@@ -11731,6 +11731,40 @@ matched string will be substituted. Similarly, the elements @samp{\\1}
up to @samp{\\9} will be substituted with the text matched by the
groupings 1 through 9.
@findex nnmail-split-fancy-with-parent
@code{nnmail-split-fancy-with-parent} is a function which allows you to
split followups into the same groups their parents are in. Sometimes
you can't make splitting rules for all your mail. For example, your
boss might send you personal mail regarding different projects you are
working on, and as you can't tell your boss to put a distinguishing
string into the subject line, you have to resort to manually moving the
messages into the right group. With this function, you only have to do
it once per thread.
To use this feature, you have to set @code{nnmail-treat-duplicates} to a
non-nil value. And then you can include
@code{nnmail-split-fancy-with-parent} using the colon feature, like so:
(setq nnmail-split-fancy
'(| (: nnmail-split-fancy-with-parent)
;; other splits go here
@end lisp
This feature works as follows: when @code{nnmail-treat-duplicates} is
non-nil, Gnus records the message id of every message it sees in the
file specified by the variable @code{nnmail-message-id-cache-file},
together with the group it is in (the group is omitted for non-mail
messages). When mail splitting is invoked, the function
@code{nnmail-split-fancy-with-parent} then looks at the References (and
In-Reply-To) header of each message to split and searches the file
specified by @code{nnmail-message-id-cache-file} for the message ids.
When it has found a parent, it returns the corresponding group name. It
is recommended that you set @code{nnmail-message-id-cache-length} to a
somewhat higher number than the default so that the message ids are
still in the cache. (A value of 5000 appears to create a file some
300 kBytes in size.)
@node Group Mail Splitting
@subsection Group Mail Splitting
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