tei:att.styleDef.attribute.scheme

<xs:attributeGroup name="att.styleDef.attribute.scheme">
  <xs:attribute name="scheme">
    <xs:annotation>
      <xs:documentation>identifies the language used to describe the rendition.</xs:documentation>
    </xs:annotation>
    <xs:simpleType>
      <xs:restriction base="xs:token">
        <xs:enumeration value="css">
          <xs:annotation>
            <xs:documentation>Cascading Stylesheet Language</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
        <xs:enumeration value="xslfo">
          <xs:annotation>
            <xs:documentation>Extensible Stylesheet Language Formatting Objects</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
        <xs:enumeration value="free">
          <xs:annotation>
            <xs:documentation>Informal free text description</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
        <xs:enumeration value="other">
          <xs:annotation>
            <xs:documentation>A user-defined rendition description language</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
      </xs:restriction>
    </xs:simpleType>
  </xs:attribute>
</xs:attributeGroup>