<ST_TrueFalseBlank> (Boolean Value with Blank [False] State)

This simple type specifies a boolean value with a third state, using a blank attribute, which specifies that the value be false.

This simple type's contents are a restriction of the XML Schema string datatype.

The following are possible enumeration values for this type:

The following XML Schema fragment defines the contents of this simple type:

<simpleType name="ST_TrueFalseBlank">
	<restriction base="xsd:string">
	<enumeration value="t"/>
	<enumeration value="f"/>
	<enumeration value="true"/>
	<enumeration value="false"/>
	<enumeration value=""/>
	</restriction>
</simpleType>