meters, as it should be rendered
             on media --&gt;
        &lt;!ATTLIST "HorizontalPixelSize" "value" #CDATA #REQUIRED&gt;
          &lt;!-- Data type: Float --&gt;

      &lt;!ELEMENT "VerticalPixelSize" EMPTY&gt;
        &lt;!-- The height of a pixel, in millimeters, as it should be
             rendered on media --&gt;
        &lt;!ATTLIST "VerticalPixelSize" "value" #CDATA #REQUIRED&gt;
          &lt;!-- Data type: Float --&gt;

      &lt;!ELEMENT "HorizontalPhysicalPixelSpacing" EMPTY&gt;
  