ref $meta eq 'HASH' or Abort("Invalid $system definitions", 404);
my $title = $meta->{name} // $system;
$title = showlink($title, $_) for $meta->{source} || ();
ref $meta eq 'HASH' or Abort("Invalid $system definitions", 404);
my $title = $meta->{name} // $system;
$title = showlink($title, $_) for $meta->{source} || ();