element Boolean

diagram
namespace	http://www.opengis.net/gml/3.2
type	extension of boolean
properties	content  complex substGrp  gml:AbstractScalarValue nillable  true
used by	complexType  BooleanPropertyType
attributes	Name   Type   Use   Default   Fixed   annotation nilReason gml:NilReasonType
source	<element name="Boolean" substitutionGroup="gml:AbstractScalarValue" nillable="true">   <complexType>     <simpleContent>       <extension base="boolean">         <attribute name="nilReason" type="gml:NilReasonType"/>       </extension>     </simpleContent>   </complexType> </element>

attribute Boolean/@nilReason

type	gml:NilReasonType
properties	isRef  0
source	<attribute name="nilReason" type="gml:NilReasonType"/>

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