mutt_set_flag (Context, h, M_TAG, 0);
if (option (OPTDELETEUNTAG)) mutt_set_flag (Context, h, M_TAG, 0);
static void _mutt_save_message (HEADER *h, CONTEXT *ctx, int delete, int decode, int decrypt){  int cmflags, chflags;    set_copy_flags(h, decode, decrypt, &cmflags, &chflags);  if (decode  || decrypt)    mutt_parse_mime_message (Context, h);  if (mutt_append_message (ctx, Context, h, cmflags, chflags) == 0 && delete)  {    mutt_set_flag (Context, h, M_DELETE, 1);    mutt_set_flag (Context, h, M_TAG, 0);  }}