| Name | Type | Use | Default | Fixed | annotation | 
| base | xs:anyURI |  |  |  | | documentation |  | <div> <h3>base (as an attribute name)</h3>
 <p>
 denotes an attribute whose value
 provides a URI to be used as the base for interpreting any
 relative URIs in the scope of the element on which it
 appears; its value is inherited.  This name is reserved
 by virtue of its definition in the XML Base specification.</p>
 <p>
 See <a href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>
 for information about this attribute.
 </p>
 </div>
 | 
 | 
| lang | derived by: xs:language |  |  |  | | documentation |  | <div> <h3>lang (as an attribute name)</h3>
 <p>
 denotes an attribute whose value
 is a language code for the natural language of the content of
 any element; its value is inherited.  This name is reserved
 by virtue of its definition in the XML specification.</p>
 </div>
 <div>
 <h4>Notes</h4>
 <p>
 Attempting to install the relevant ISO 2- and 3-letter
 codes as the enumerated possible values is probably never
 going to be a realistic possibility.
 </p>
 <p>
 See BCP 47 at <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt">
 http://www.rfc-editor.org/rfc/bcp/bcp47.txt</a>
 and the IANA language subtag registry at
 <a href="http://www.iana.org/assignments/language-subtag-registry">
 http://www.iana.org/assignments/language-subtag-registry</a>
 for further information.
 </p>
 <p>
 The union allows for the 'un-declaration' of xml:lang with
 the empty string.
 </p>
 </div>
 | 
 | 
| space | derived by: xs:NCName |  |  |  | | documentation |  | <div> <h3>space (as an attribute name)</h3>
 <p>
 denotes an attribute whose
 value is a keyword indicating what whitespace processing
 discipline is intended for the content of the element; its
 value is inherited.  This name is reserved by virtue of its
 definition in the XML specification.</p>
 </div>
 | 
 | 
| id | xs:ID |  |  |  | | documentation |  | <div> <h3>id (as an attribute name)</h3>
 <p>
 denotes an attribute whose value
 should be interpreted as if declared to be of type ID.
 This name is reserved by virtue of its definition in the
 xml:id specification.</p>
 <p>
 See <a href="http://www.w3.org/TR/xml-id/">http://www.w3.org/TR/xml-id/</a>
 for information about this attribute.
 </p>
 </div>
 | 
 |