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Either global or a complex type definition.

A pair consisting of a value and one of default, fixed.

Either global or a complex type definition.

A pair consisting of a value and one of default, fixed.

Either an or a .

 Required if is , otherwise &must; be .

One of empty, a simple type definition or a pair consisting of a (I.e. a ) and one of mixed, element-only.

A pair consisting of a value and one of default, fixed.

Either a non-negative integer or unbounded

One of any; a pair of not and a namespace name or ; or a set whose members are either namespace names or .

A restricted XPath (XML Path Language, James Clark and Steve DeRose, eds., W3C, 16 November 1999.) expression.

A non-empty list of restricted XPath expressions.

 Required if is keyref, otherwise ( is key or unique) &must; be .

If a value is present, its must be key or unique.

A restricted XPath expression.

 Required if is , otherwise ( is present) optional. Required if is , otherwise ( is present) optional.

As defined in Extensible Markup Language (XML) 1.1, Second Edition, Tim Bray et al., eds., W3C, 4 February 2004.

Either an , an , a or a .

 Required if is , otherwise &must; be .

If the datatype has been &derived; by restriction then the component from which it is &derived;, otherwise the .

With one exception, the of any is a . The exception is anySimpleType, which has anyType, a , as its .

Required for all s except anySimpleType, in which it is . With one exception, required if is atomic, otherwise &must; be . The exception is anyAtomicType, whose is .

&Must; be aIf non-, &must; be a primitive built-in definition.

 Required if is list, otherwise &must; be .

&Mustnot; be empty if is union, otherwise &must; be .

Added in version 1.1.

A set each of whose members is either an xs:anyURI value or . Required.

 An actual value. Required. A character string. Required. Added in version 1.1. Required if is element-only or mixed, otherwise &must; be . Required if is simple, otherwise &must; be . Required if is local, otherwise &must; be &Must; be if is global, otherwise optional. Either a or a . Required if is local, otherwise &must; be Required if is local, otherwise &must; be &Must; be if is global, otherwise optional. Either a or a . Required if is local, otherwise &must; be

Added in version 1.1.

 Required if is local, otherwise forbidden. Either an or an . Required if is local, otherwise &must; be