- my $eml = PublicInbox::Eml->new($mref);
- [ 200, res_hdr($ctx, $eml->header_str('Subject')),
- [ msg_hdr($ctx, $eml) . msg_body($eml) ] ]
+ my $eml = $ctx->{eml} = PublicInbox::Eml->new($mref);
+ [ @{mbox_hdr($ctx)}, [ msg_hdr($ctx, $eml) . msg_body($eml) ] ]