<xs:attribute name="source" type="xs:anyURI" use="required"/>

<xs:attribute name="type" type="xs:token" use="required"/>

<xs:attributeGroup name="image-attributes">
  <xs:annotation>
    <xs:documentation>The image-attributes group is used to include graphical images in a score. The required source attribute is the URL for the image file. The required type attribute is the MIME type for the image file format. Typical choices include application/postscript, image/gif, image/jpeg, image/png, and image/tiff.</xs:documentation>
  </xs:annotation>
  <xs:attribute name="source" type="xs:anyURI" use="required"/>
  <xs:attribute name="type" type="xs:token" use="required"/>
  <xs:attributeGroup ref="position"/>
  <xs:attributeGroup ref="halign"/>
  <xs:attributeGroup ref="valign-image"/>
</xs:attributeGroup>