<xs:element name="Line" type="LineSegmentType"><xs:annotation><xs:documentation>The Line element is the line that defines the basic location and direction of the line.</xs:documentation></xs:annotation></xs:element>
The id attribute is the QIF id of the feature zone, used for referencing.
Source
<xs:complexType name="FeatureZoneCurveLineType"><xs:annotation><xs:documentation>The FeatureZoneCurveLineType defines a feature zone as a line.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="FeatureZoneCurveBaseType"><xs:sequence><xs:element name="Line" type="LineSegmentType"><xs:annotation><xs:documentation>The Line element is the line that defines the basic location and direction of the line.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>