4f4fc817_ATTLIST_Declaration__Tokenized_Attribute_Type_
[Attribute Description:] ID is a unique identifier of the attribute.IDs of a particular value should not appear more than once in an XML document. An element type may only have one ID attribute. An ID attribute can only have an #IMPLIED or #REQUIRED default value. The first character of an ID value must be a letter, '_', or ':'. See example. [Tokenized Attribute Type:] 
ID
I D
I D R E F
I D R E F S
E N T I T Y
E N T I T I E S
N M T O K E N
N M T O K E N S
ATTLIST Declaration
Tokenized Attribute Type: