test/valid/dia.xml

<?xml version="1.0"?>
<!DOCTYPE diagram [
<!ELEMENT diagram (diagramdata, (layer)*) >

<!ELEMENT diagramdata (attribute)* >

<!ELEMENT layer (object | group)*>
<!ATTLIST layer
   name CDATA #REQUIRED
   visible (true|false) #REQUIRED >

<!ELEMENT object ((attribute)*, connections?)>
<!ATTLIST object
   type CDATA #REQUIRED
   version NMTOKEN #REQUIRED
   id ID #REQUIRED >

<!ELEMENT connections (connection)*>

<!ELEMENT connection EMPTY>
<!ATTLIST connection
   handle NMTOKEN #REQUIRED
   to IDREF #REQUIRED
   connection NMTOKEN #REQUIRED>

<!ELEMENT group (object | group)*>

<!ELEMENT attribute (composite | int | enum | real | boolean |
                     color | point | rectangle | string | font)*>
<!ATTLIST attribute  name CDATA #REQUIRED >

<!ELEMENT composite (attribute)*>
<!ATTLIST composite  type CDATA #IMPLIED>

<!ELEMENT int EMPTY>
<!ATTLIST int  val NMTOKEN #REQUIRED>

<!ELEMENT enum EMPTY>
<!ATTLIST enum  val NMTOKEN #REQUIRED>

<!ELEMENT real EMPTY>
<!ATTLIST real  val CDATA #REQUIRED>

<!ELEMENT boolean EMPTY>
<!ATTLIST boolean  val (true|false) #REQUIRED>

<!ELEMENT color EMPTY>
<!ATTLIST color  val CDATA #REQUIRED>

<!ELEMENT point EMPTY>
<!ATTLIST point  val CDATA #REQUIRED>

<!ELEMENT rectangle EMPTY>
<!ATTLIST rectangle  val CDATA #REQUIRED>

<!ELEMENT string EMPTY>
<!ATTLIST string  val CDATA #IMPLIED>

<!ELEMENT font EMPTY>
<!ATTLIST font name CDATA #REQUIRED>
]>

<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">
  <dia:diagramdata>
    <dia:attribute name="background">
      <dia:color val="#ffffff"/>
    </dia:attribute>
  </dia:diagramdata>
  <dia:layer name="Background" visible="true">
    <dia:object type="Standard - Line" version="0" id="O0">
      <dia:attribute name="obj_pos">
        <dia:point val="1.95,6.85"/>
      </dia:attribute>
      <dia:attribute name="obj_bb">
        <dia:rectangle val="1.9,6.8;11,8.55"/>
      </dia:attribute>
      <dia:attribute name="conn_endpoints">
        <dia:point val="1.95,6.85"/>
        <dia:point val="10.95,8.5"/>
      </dia:attribute>
      <dia:attribute name="line_color">
        <dia:color val="#000000"/>
      </dia:attribute>
      <dia:attribute name="line_width">
        <dia:real val="0.1"/>
      </dia:attribute>
      <dia:attribute name="line_style">
        <dia:enum val="0"/>
      </dia:attribute>
      <dia:attribute name="start_arrow">
        <dia:enum val="0"/>
      </dia:attribute>
      <dia:attribute name="end_arrow">
        <dia:enum val="0"/>
      </dia:attribute>
      <dia:connections>
        <dia:connection handle="1" to="O2" connection="3"/>
      </dia:connections>
    </dia:object>
    <dia:object type="Standard - Text" version="0" id="O1">
      <dia:attribute name="obj_pos">
        <dia:point val="4.8,4.75"/>
      </dia:attribute>
      <dia:attribute name="obj_bb">
        <dia:rectangle val="2.579,3.96359;7.021,4.96359"/>
      </dia:attribute>
      <dia:attribute name="text">
        <dia:composite type="text">
          <dia:attribute name="string">
            <dia:string val="sdfsdfg"/>
          </dia:attribute>
          <dia:attribute name="font">
            <dia:font name="Courier"/>
          </dia:attribute>
          <dia:attribute name="height">
            <dia:real val="1"/>
          </dia:attribute>
          <dia:attribute name="pos">
            <dia:point val="4.8,4.75"/>
          </dia:attribute>
          <dia:attribute name="color">
            <dia:color val="#000000"/>
          </dia:attribute>
          <dia:attribute name="alignment">
            <dia:enum val="1"/>
          </dia:attribute>
        </dia:composite>
      </dia:attribute>
    </dia:object>
    <dia:object type="Standard - Box" version="0" id="O2">
      <dia:attribute name="obj_pos">
        <dia:point val="10.95,7.5"/>
      </dia:attribute>
      <dia:attribute name="obj_bb">
        <dia:rectangle val="10.9,7.45;13.05,9.55"/>
      </dia:attribute>
      <dia:attribute name="elem_corner">
        <dia:point val="10.95,7.5"/>
      </dia:attribute>
      <dia:attribute name="elem_width">
        <dia:real val="2.05"/>
      </dia:attribute>
      <dia:attribute name="elem_height">
        <dia:real val="2"/>
      </dia:attribute>
      <dia:attribute name="border_width">
        <dia:real val="0.1"/>
      </dia:attribute>
      <dia:attribute name="border_color">
        <dia:color val="#000000"/>
      </dia:attribute>
      <dia:attribute name="inner_color">
        <dia:color val="#ffffff"/>
      </dia:attribute>
      <dia:attribute name="line_style">
        <dia:enum val="0"/>
      </dia:attribute>
    </dia:object>
  </dia:layer>
</dia:diagram>