mh-put-msg-in-seq
mh-put-msg-in-seq is an interactive autoloaded compiled Lisp function in `mh-seq.el
'.
(mh-put-msg-in-seq RANGE SEQUENCE)
Add RANGE to SEQUENCE.
Give this command a RANGE and you can add all the messages in a
sequence to another sequence (for example,
"C-u S p SourceSequence RET
DestSequence RET"). Check the documentation of
`mh-interactive-range' to see how RANGE is read in interactive
use.