p	in	Prefix	::=	NCName
l	in	LocalPart	::=	NCName
nsn	in	NamespaceName	::=	Character+
dci	in	DeclarationContextId	::=	Character+
qn	in	QualifiedName	::=	(:qn (Prefix + null) X LocalPart X DeclarationContextId)
un	in	UniversalName	::=	(:un (Namespace + null) X LocalPart )
n	in	Name	::=	( UniversalName + QualifiedName )
nsb	in	NamespaceBinding	::=	(:nsb . ((LocalPart X NamespaceName) + (null X (NamespaceName + null))) )
a	in	Attribute	::=	(:a Name )
e	in	Element	::=	(:e Name X NamespaceBinding* X Attribute* X Element* )
ed	in	ElementDeclaration	::=	(:ed Name X (Name* + 'ANY' +'EMPTY') )
ep	in	ElementProperty	::=	NamespaceBinding + Attribute
ad	in	AttributeDeclaration	::=	(:ad Name X ElementProperty )
md	in	MarkupDeclaration	::=	ElementDeclaration + AttributeDeclaration
dcx	in	DeclarationContext	::=	(:dcx DeclarationContextId X DeclarationComponent*)
dcl	in	DeclarationComponent	::=	MarkupDeclaration + DeclarationContext
s	in	Schema	::=	(:s ElementDeclaration*)
doc	in	Document	::=	(:doc Name DeclarationContext X Element )