XML Data Types for Schemas

XML Schema Built-In Simple Types
Name Type Examples
ID XML 1.0 ID attribute type any XML name that's unique among ID type attributes
IDREF XML 1.0 IDREF attribute type any XML name that's used as an ID type attribute elsewhere in the document
ENTITY XML 1.0 ENTITY attribute type any XML name that's declared as an unparsed entity in the DTD
NOTATION XML 1.0 NOTATION attribute type any XML name that's declared as a notation name in the DTD
language valid values for xml:lang as defined in XML 1.0 en-GB, en-US, fr
IDREFS XML 1.0 IDREFS attribute type a white space separated list of IDREF names
ENTITIES XML 1.0 ENTITIES attribute type a white space separated list of ENTITY names
NMTOKEN XML 1.0 NMTOKEN attribute type 12 are you ready
NMTOKENS XML 1.0 NMTOKENS attribute type a white space separated list of name tokens
Name An XML 1.0 Name set, title, rdf, math, math123, href
QName a prefixed name song:title
NCName a local name without any colons title

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Copyright 2000 Elliotte Rusty Harold
elharo@metalab.unc.edu
Last Modified September 8, 2000