ok(utf8::valid($$ref), 'resulting string is utf8::valid');
like($$ref, qr/I can see you!/, 'we can see ourselves in output');
like($$ref, qr/&&/, 'escaped');
+ my $lref = $hls->do_hl_lang(\$str, 'perl');
+ is($$ref, $$lref, 'do_hl_lang matches do_hl');
use PublicInbox::Spawn qw(which);
if (eval { require IPC::Run } && which('w3m')) {