This variable was added in 5f8b9fc (git-send-email: add a new
sendemail.cc configuration variable, 2008-04-27), but is not yet refered
to by the documentation.
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>