mh-mh-directive-present-p

mh-mh-directive-present-p is an autoloaded compiled Lisp function in `mh-mime.el'.

(mh-mh-directive-present-p &optional BEGIN END)

Check if the text between BEGIN and END might be a MH-style directive.
The optional argument BEGIN defaults to the beginning of the
buffer, while END defaults to the end of the buffer.