mh-insert-identity
mh-insert-identity is an interactive autoloaded Lisp function in `mh-identity.el
'.
(mh-insert-identity IDENTITY &optional MAYBE-INSERT)
Insert fields specified by given IDENTITY.
In a program, do not insert fields if MAYBE-INSERT is non-nil,
`mh-identity-default' is non-nil, and fields have already been
inserted.
See `mh-identity-list'.