my ($s, $err) = msg_part_text($part, $ct);
return attach_note($self, $ct, $p, $fn) unless defined $s;
hdr_buf($self, $part) if $part->{is_submsg};
my ($s, $err) = msg_part_text($part, $ct);
return attach_note($self, $ct, $p, $fn) unless defined $s;
hdr_buf($self, $part) if $part->{is_submsg};