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   The schema corresponding to this document is normative,
   with respect to the syntactic constraints it expresses in the
   XML Schema language.  The documentation (within <documentation> elements)
   below, is not normative, but rather highlights important aspects of
   the W3C Recommendation of which this is a part
  
  
    
   The simpleType element and all of its members are defined
   in datatypes.xsd
  
  
  
    
      
       Get access to the xml: attribute groups for xml:lang
       as declared on 'schema' and 'documentation' below
     
    
  
  
    
      
       This type is extended by almost all schema types
       to allow attributes from other namespaces to be
       added to user schemas.
     
    
    
      
        
      
    
  
  
    
      
       This type is extended by all types which allow annotation
       other than <schema> itself
     
    
    
      
        
          
        
        
      
    
  
  
    
      
   This group is for the
   elements which occur freely at the top level of schemas.
   All of their types are based on the "annotated" type by extension.
    
    
      
      
      
      
    
  
  
    
      
   This group is for the
   elements which can self-redefine (see <redefine> below).
    
    
      
      
      
      
    
  
  
    
      
   A utility type, not for public use
    
    
      
      
    
  
  
    
      
   A utility type, not for public use
    
    
      
      
    
  
  
    
      
   A utility type, not for public use
      
   #all or (possibly empty) subset of {extension, restriction}
    
    
      
        
          
        
      
      
        
      
    
  
  
    
      
   A utility type, not for public use
    
    
      
      
      
      
    
  
  
    
      
   A utility type, not for public use
      
   #all or (possibly empty) subset of {extension, restriction, list, union}
    
    
      
        
          
        
      
      
        
      
    
  
  
    
      
    
    
      
        
          
            
              
              
              
              
            
            
              
              
            
          
          
          
          
          
          
          
          
          
        
      
    
    
      
      
    
    
      
      
    
    
      
      
    
    
      
      
    
    
      
      
    
    
      
      
    
    
      
      
    
  
  
    
      
   for maxOccurs
    
    
      
        
          
        
      
    
  
  
    
      
   for all particles
    
    
    
  
  
    
      
   for element, group and attributeGroup,
   which both define and reference
    
    
    
  
  
    
      
   'complexType' uses this
    
    
      
      
      
      
    
  
  
    
      
      
      
      
      
    
  
  
    
      
      
      
      
      
      
    
  
  
    
      
        
          
        
        
        
        
          
            
              
              
              
            
          
        
        
        
        
      
    
  
  
    
      
        
          
          
        
        
        
        
        
        
      
    
  
  
    
      
        
        
      
      
    
  
  
    
      
    
  
  
    
      
      
      
        
          
   This branch is short for
   <complexContent>
   <restriction base="xs:anyType">
   ...
   </restriction>
   </complexContent>
        
        
        
      
    
  
  
    
      
        
        
          
            
      Will be restricted to required or forbidden
          
        
        
          
            
      Not allowed if simpleContent child is chosen.
      May be overriden by setting on complexContent child.
          
        
        
        
        
      
    
  
  
    
      
        
          
          
        
        
        
      
    
  
  
    
      
        
          
          
        
        
        
        
        
        
      
    
  
  
    
      
        
          
            
            
          
          
        
        
      
    
  
  
    
      
        
          
          
            
              This choice is added simply to
                   make this a valid restriction per the REC
            
            
          
          
        
        
      
    
  
  
    
      
        
          
          
        
        
      
    
  
  
    
      
    
    
      
        
          
            
            
          
          
            
              
       Overrides any setting on complexType parent.
            
          
        
      
    
  
  
    
      
        
          
          
            
              This choice is added simply to
                   make this a valid restriction per the REC
            
            
          
          
        
        
      
    
  
  
    
      
        
          
            
      No typeDefParticle group reference
          
          
          
        
        
      
    
  
  
    
      
    
    
      
        
          
            
            
          
        
      
    
  
  
    
      
    
  
  
    
      
    A utility type, not for public use
      
    #all or (possibly empty) subset of {substitution, extension,
    restriction}
    
    
      
        
          
        
      
      
        
          
            
              
              
              
            
          
        
      
    
  
  
    
      
   The element element can be used either
   at the top level to define an element-type binding globally,
   or within a content model to either reference a globally-defined
   element or type or declare an element-type binding locally.
   The ref form is not allowed at the top level.
    
    
      
        
          
            
            
          
          
        
        
        
        
        
        
        
        
        
        
        
        
      
    
  
  
    
      
        
          
          
            
            
          
          
        
        
        
        
        
        
        
      
    
  
  
    
      
        
          
          
            
            
          
          
        
        
        
        
        
      
    
  
  
    
      
    
  
  
    
      
   group type for explicit groups, named top-level groups and
   group references
    
    
      
        
        
        
      
    
  
  
    
      
        
          
          
            
            
            
          
        
        
      
    
  
  
    
      
        
          
          
            
              
                
                  
                    
                    
                    
                    
                  
                
              
            
            
            
          
        
        
        
        
        
        
      
    
  
  
    
      
        
          
        
        
        
        
      
    
  
  
    
      
   group type for the three kinds of group
    
    
      
        
          
          
        
        
        
        
      
    
  
  
    
      
        
          
          
        
        
        
        
      
    
  
  
    
      
      
        
          This choice with min/max is here to
                          avoid a pblm with the Elt:All/Choice/Seq
                          Particle derivation constraint
        
        
      
    
  
  
    
      restricted max/min
    
    
      
        
          
          
            
            
          
          
        
        
          
            
              
              
            
          
        
        
          
            
              
              
            
          
        
        
      
    
  
  
    
      
   Only elements allowed inside
    
    
      
        
        
          
            
              
              
            
          
        
        
          
            
              
            
          
        
        
      
    
  
  
    
      
    
  
  
    
      
    
  
  
    
      
    
  
  
    
      
    
  
  
    
      
        
        
          
            
              
              
              
            
          
        
      
    
  
  
    
      
    
    
      
        
          
        
      
    
  
  
    
   simple type for the value of the 'namespace' attr of
   'any' and 'anyAttribute'
  
  
    
   Value is
              ##any      - - any non-conflicting WFXML/attribute at all

              ##other    - - any non-conflicting WFXML/attribute from
                              namespace other than targetNS

              ##local    - - any unqualified non-conflicting WFXML/attribute 

              one or     - - any non-conflicting WFXML/attribute from
              more URI        the listed namespaces
              references
              (space separated)

    ##targetNamespace or ##local may appear in the above list, to
        refer to the targetNamespace of the enclosing
        schema or an absent targetNamespace respectively
  
  
    
      
   A utility type, not for public use
    
    
      
        
          
          
        
      
      
        
          
            
              
                
                  
                  
                
              
            
          
        
      
    
  
  
    
      
    
  
  
    
      
        
        
      
    
  
  
    
      
        
          
          
        
        
        
        
      
    
  
  
    
      
        
          
        
        
        
        
      
    
  
  
    
      
    
  
  
    
      
    
    
      
        
          
        
      
    
  
  
    
      
    
    
      
        
          
            
            
          
          
          
        
      
    
  
  
    
      
    
    
      
        
          
          
        
      
    
  
  
    
      
    
    
      
        
          
            
              
                A subset of XPath expressions for use
in selectors
                A utility type, not for public
use
              
              
                
                  The following pattern is intended to allow XPath
                           expressions per the following EBNF:
	  Selector    ::=    Path ( '|' Path )*  
	  Path    ::=    ('.//')? Step ( '/' Step )*  
	  Step    ::=    '.' | NameTest  
	  NameTest    ::=    QName | '*' | NCName ':' '*'  
                           child:: is also allowed
         
                
                
              
            
          
        
      
    
  
  
    
      
    
    
      
        
          
            
              
                A subset of XPath expressions for use
in fields
                A utility type, not for public
use
              
              
                
                  The following pattern is intended to allow XPath
                           expressions per the same EBNF as for selector,
                           with the following change:
          Path    ::=    ('.//')? ( Step '/' )* ( Step | '@' NameTest ) 
         
                
                
              
            
          
        
      
    
  
  
    
      
        
          
          
        
        
      
    
  
  
    
      The three kinds of identity constraints, all with
                     type of or derived from 'keybase'.
   
    
    
      
      
      
    
  
  
    
      
    
  
  
    
      
    
  
  
    
      
    
    
      
        
          
        
      
    
  
  
    
      
    
    
      
        
          
          
          
        
      
    
  
  
    
      
   A utility type, not for public use
      
   A public identifier, per ISO 8879
    
    
  
  
    
      
    
    
      
        
      
      
      
    
  
  
    
      
    
    
      
        
      
      
      
      
    
  
  
    
      
    
    
      
        
          
            
            
          
          
        
      
    
  
  
    
   notations for use within XML Schema schemas
  
  
  
  
    
      
   Not the real urType, but as close an approximation as we can
   get in the XML representation
    
    
      
    
    
  

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