message-insert-formatted-citation-line

message-insert-formatted-citation-line is a compiled Lisp function in `message.el'.

(message-insert-formatted-citation-line &optional FROM DATE TZ)

Function that inserts a formatted citation line.
The optional FROM, and DATE are strings containing the contents of
the From header and the Date header respectively. The optional TZ
is a number of seconds, overrides the time zone of DATE.

See `message-citation-line-format'.