(reporter-mail): New function.

(reporter-mail): New function.
(reporter-compose-outgoing): Use fboundp, not functionp.
(reporter-bug-hook): Fix error message.

(reporter-beautify-list): Break infloop when reaching the end of the
buffer without crossing an unbalanced paren.  Use scan-sexps instead
of forward-sexp for the loop break test.

(reporter-submit-bug-report): Only call
display-buffer if pop-up-windows is non-nil.