Nnmail equivalent: @code{nnmail-split-fancy}.
+@item nnimap-split-download-body
+@findex nnimap-split-download-body
+@vindex nnimap-split-download-body
+
+Set to non-nil to download entire articles during splitting. This is
+generally not required, and will slow things down considerably. You
+may need it if you want to use an advanced splitting function that
+analyses the body to split the article.
+
@end table
@node Expiring in IMAP