Common attributes in link module, printers SHALL also support the style attribute [on all elements with CORE attribute set, [must support the href attribute of the link element], [must support the rel="stylesheet" attribute of the link element], [must support the type="text/css" attribute of the link element], Printers MUST support the cid [RFC2392] and http [RFC2616] schemes of a URI [RFC2396], The absence of the media attribute MUST be treat as if the media attribute had the value all. 25: A conforming printer MUST NOT treat [an] attribute [marked as N/A] as an error: title