mh-print-msg
mh-print-msg is an interactive autoloaded compiled Lisp function in `mh-print.el
'.
(mh-print-msg RANGE)
Print RANGE the old fashioned way.
The message is formatted with "mhl" (see option
`mh-mhl-format-file') and printed with the "lpr" command (see
option `mh-lpr-command-format').
Check the documentation of `mh-interactive-range' to see how
RANGE is read in interactive use.
Consider using P p instead.