* evolution-composer.c (init): Set the (new) "no_body" flag on the
composer.
(impl_Composer_set_body_text): And unset it here.
(unset_no_body): And here (called if/when the composer is
realized).
* e-msg-composer.c (build_message): If the composer has the
"no_body" flag set, and a single attachment, promote that
attachment to be the message body.
svn path=/trunk/; revision=14393