Hello Renato, thanks for prompt updates.
HTML spec page looks good, but schema RDF still has conflicting descriptions.
[[[
<!ENTITY vcard "http://www.w3.org/2006/vcard/" >
...
<owl:ObjectProperty rdf:about="&vcard;adr">
etc...
]]]
With &vcard;, the expanded URI for the property is
http://www.w3.org/2006/vcard/adr . Instead, you should use &ns; which
you declared as:
[[[
<!ENTITY ns "http://www.w3.org/2006/vcard/ns#" >
]]]
cheers,
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