abstract 

When the rule element has the attribute abstract with a value true,
then the rule is an abstract rule.

Attribute Information

Used By

Element sch:rule

Source 

<xs:attribute name="abstract" default="false">
  <xs:annotation>
    <xs:documentation>When the rule element has the attribute abstract with a value true, then the rule is an abstract rule.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:enumeration value="true">
        <xs:annotation>
          <xs:documentation>Declares an abstract rule.</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="false">
        <xs:annotation>
          <xs:documentation>Explicitely specify that the rule is not abstract.</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample