10/16/2005; 1:29:10 AM

Try XHTML 2.0 Src XHTML 2.0 RDF Metadata

namespace xr = "http://w3future.com/xr/ns/"
 
start = 
  element xr:transform {
    introducing*
  }
    
introducing = 
  element xr:introducing {
    select?,
    resource
  }
 
resource =
  element * {
    ( uri | uriSelect )?,
    property*
  }
 
property = 
  element * {
    ( select, collectionType? )?,
    ( text | resource )?
  }
    
uri = 
  attibute xr:uri { xsd:anyURI }
  
uriSelect = 
  attribute xr:uriSelect { xpath }
  
select = 
  attribute xr:select { xpath }
 
collectionType = 
  attribute xr:collectionType {
    "bag" | "sequence" | "alternatives" | "collection"
  }
 
xpath =
  text