message-forward-subject-name-subject

message-forward-subject-name-subject is a compiled Lisp function in `message.el'.

(message-forward-subject-name-subject SUBJECT)

Generate a SUBJECT for a forwarded message.
The form is: [Source] Subject, where if the original message was mail,
Source is the name of the sender, and if the original message was
news, Source is the list of newsgroups is was posted to.