add-log-full-name and add-log-mailing-address.
(defun add-change-log-entry (&optional whoami file-name other-window new-entry)
"Find change log file, and add an entry for today and an item for this file.
Optional arg WHOAMI (interactive prefix) non-nil means prompt for user
-name and site.
+name and email (stored in `add-log-full-name' and `add-log-mailing-address').
Second arg FILE-NAME is file name of the change log.
If nil, use the value of `change-log-default-name'.