mei:mei_att.hairpin.log.attribute.form

<xs:attributeGroup name="mei_att.hairpin.log.attribute.form">
  <xs:attribute name="form" use="required">
    <xs:annotation>
      <xs:documentation>Captures the visual rendition and function of the hairpin; that is, whether it indicates an increase or a decrease in volume.</xs:documentation>
    </xs:annotation>
    <xs:simpleType>
      <xs:restriction base="xs:token">
        <xs:enumeration value="cres">
          <xs:annotation>
            <xs:documentation>Crescendo; i.e., louder.</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
        <xs:enumeration value="dim">
          <xs:annotation>
            <xs:documentation>Diminuendo; i.e., softer.</xs:documentation>
          </xs:annotation>
        </xs:enumeration>
      </xs:restriction>
    </xs:simpleType>
  </xs:attribute>
</xs:attributeGroup>