Documentation for Geography Markup Language
Definition Type: SimpleType
Name: booleanOrNull
Namespace: http://www.opengis.net/gml
Containing Schema: basicTypes.xsd
Documentation:
Union of the XML Schema boolean type and the GML Nulltype. An element which uses this type may have content which is either a boolean {0,1,true,false} or a value from Nulltype
Collapse XSD Schema Diagram:
XSD Diagram of booleanOrNull in schema basictypes_xsd (Geography Markup Language)
Collapse XSD Schema Code: 
<simpleType name="booleanOrNull">
    <annotation>
        <documentation>Union of the XML Schema boolean type and the GML Nulltype.  An element which uses this type may have content which is either a boolean {0,1,true,false} or a value from Nulltype</documentation>
    </annotation>
    <union memberTypes="gml:NullEnumeration boolean anyURI" />
</simpleType>
Collapse Derivation Tree:
Collapse References:
gml:booleanOrNullList
Documentation for Geography Markup Language

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