Definition Type: SimpleType
Name: stringOrNull
Namespace: http://niem.gov/niem/external/ogc-gml/3.1.1/dhs-gmo/1.0.0
Containing Schema: gml.xsd
Documentation:
Union of the XML Schema string type and the GML Nulltype. An element which uses this type may have content which is either a string or a value from Nulltype. Note that a "string" may contain whitespace.
Collapse XSD Schema Diagram:
XSD Diagram of stringOrNull in schema gml_xsd (National Information Exchange Model (NEIM))
Collapse XSD Schema Code:
<simpleType name="stringOrNull">
    <annotation>
        <documentation>Union of the XML Schema string type and the GML Nulltype.  An element which uses this type may have content which is either a string or a value from Nulltype.  Note that a "string" may contain whitespace.  </documentation>
    </annotation>
    <union memberTypes="gml:NullEnumeration string anyURI" />
</simpleType>