subject = notmuch_message_get_header (message, "subject");
if (subject) {
if (strncasecmp (subject, "Re:", 3))
subject = talloc_asprintf (ctx, "Re: %s", subject);
subject = notmuch_message_get_header (message, "subject");
if (subject) {
if (strncasecmp (subject, "Re:", 3))
subject = talloc_asprintf (ctx, "Re: %s", subject);