Element choice

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Element: choice

Attributes:	datatypeLibrary \| ns \|
Children:	<name-class> ( name, anyName, nsName, choice ) \| <other> \| <pattern> ( element, attribute^, group^, interleave^, choice, optional, zeroOrMore, oneOrMore^, list^, mixed, ref^, parentRef, empty^, text^, value^, data^, notAllowed, externalRef, grammar ) \|
Parents:	attribute \| choice \| define \| element \| except \| group \| interleave \| list \| mixed \| oneOrMore \| optional \| start \| zeroOrMore \|

<element name="choice">
     <ref name="common-atts"/>
     <ref name="open-patterns"/>
</element>
<element name="choice">
     <ref name="common-atts"/>
     <ref name="open-name-classes"/>
</element>

Occurs in Schema Tutorial examples:
Document root element can be from a set of namespaces
Element which contains one of two elements
Element which contains two "patterns" (sequences), in any order
Multiple restrictions
Element is either a fixed string or an integer
Element can contain a string from an enumerated set
Element can have [x,y] either as attributes or as elements
Attributes from some particular namespace
Abstract element, substitutionGroup
Extension of a choice
Error in restriction - namespaces in wildcards