XML Source

<source>
     <ellipse/>
     <box/>
     <circle/>
     <doublecircle/>
     <diamond/>
     <plaintext/>
</source>

Graphotron Source

<graphotron xmlns="http://zvon.org/graphotron" xmlns:dot="http://zvon.org/graphotron/dot" >
     <vertex match="/*/ellipse">
          <name select="name()"/>
          <dot:shape>ellipse</dot:shape>
     </vertex>
     <vertex match="/*/box">
          <name select="name()"/>
          <dot:shape>box</dot:shape>
     </vertex>
     <vertex match="/*/circle">
          <name select="name()"/>
          <dot:shape>circle</dot:shape>
     </vertex>
     <vertex match="/*/doublecircle">
          <name select="name()"/>
          <dot:shape>doublecircle</dot:shape>
     </vertex>
     <vertex match="/*/diamond">
          <name select="name()"/>
          <dot:shape>diamond</dot:shape>
     </vertex>
     <vertex match="/*/plaintext">
          <name select="name()"/>
          <dot:shape>plaintext</dot:shape>
     </vertex>
</graphotron>