send-email: allow multiple emails using --cc, --to and --bcc
Accept a list of emails separated by commas in flags --cc, --to and --bcc. Multiple addresses can already be given by using these options multiple times, but it is more convenient to allow cutting-and-pasting a list of addresses from the header of an existing e-mail message, which already lists them as comma-separated list, as a value to a single parameter. The following format can now be used: $ git send-email --to='Jane <jdoe@example.com>, mike@example.com' Remove the limitation imposed by 79ee555b (Check and document the options to prevent mistakes, 2006-06-21) which rejected every argument with comma in --cc, --to and --bcc. Signed-off-by: Mathieu Lienard--Mayor <Mathieu.Lienard--Mayor@ensimag.imag.fr> Signed-off-by: Jorge Juan Garcia Garcia <Jorge-Juan.Garcia-Garcia@ensimag.imag.fr> Signed-off-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr> Signed-off-by: Remi Lespinet <remi.lespinet@ensimag.grenoble-inp.fr> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>