XML Source

<source>
     <none/>
     <single/>
     <double/>
</source>

Graphotron Source

<graphotron xmlns:daVinci="http://zvon.org/graphotron/daVinci" xmlns="http://zvon.org/graphotron" >
     <vertex match="/*/none">
          <name select="name()"/>
          <daVinci:BORDER>none</daVinci:BORDER>
     </vertex>
     <vertex match="/*/single">
          <name select="name()"/>
          <daVinci:BORDER>single</daVinci:BORDER>
     </vertex>
     <vertex match="/*/double">
          <name select="name()"/>
          <daVinci:BORDER>double</daVinci:BORDER>
     </vertex>
</graphotron>