structure:optional

Element Information

Model

(((ANY element from ANY namespace OTHER than 'http://relaxng.org/ns/structure/1.0' | ANY element from LOCAL namespace 'No Namespace')) | structure:element | structure:attribute | structure:group | structure:interleave | structure:choice | structure:optional | structure:zeroOrMore | structure:oneOrMore | structure:list | structure:mixed | structure:ref | structure:parentRef | structure:empty | structure:text | structure:value | structure:data | structure:notAllowed | structure:externalRef | structure:grammar)
Children: structure:attribute, structure:choice, structure:data, structure:element, structure:empty, structure:externalRef, structure:grammar, structure:group, structure:interleave, structure:list, structure:mixed, structure:notAllowed, structure:oneOrMore, structure:optional, structure:parentRef, structure:ref, structure:text, structure:value, structure:zeroOrMore

Attributes

QName Type Fixed Default Use Inheritable Annotation
datatypeLibrary xs:anyURI optional
ns optional
Wildcard: ANY attribute from ANY namespace OTHER than 'http://relaxng.org/ns/structure/1.0'

Used By

Element Group structure:pattern

Source 

<xs:element name="optional">
  <xs:complexType>
    <xs:group ref="structure:open-patterns"/>
    <xs:attributeGroup ref="structure:common-atts"/>
  </xs:complexType>
</xs:element>

Sample