Can I just pretty-print?

Is there a way to configure tidy so that it just pretty-print formats my
html document, without fixing any of the errors it finds?
 
Is there a way to define custom attributes, or otherwise suppress the
warnings tidy generates when it encounters them? Thanks!
 
 
Best regards,
 
David Ei
    (734) 449-2404
    david.ei@eieioh.net