is('news://example.com/inbox.foo',
$nntp_url->('NEWS://examplE.com/inbox.foo'), 'lowercased');
is('nntps://example.com/inbox.foo',
is('news://example.com/inbox.foo',
$nntp_url->('NEWS://examplE.com/inbox.foo'), 'lowercased');
is('nntps://example.com/inbox.foo',