XML Source

<source>
     <lucida/>
     <times/>
     <helvetica/>
     <courier/>
</source>

Graphotron Source

<graphotron xmlns:daVinci="http://zvon.org/graphotron/daVinci" xmlns="http://zvon.org/graphotron" >
     <vertex match="/*/lucida">
          <name select="name()"/>
          <daVinci:FONTFAMILY>lucida</daVinci:FONTFAMILY>
     </vertex>
     <vertex match="/*/times">
          <name select="name()"/>
          <daVinci:FONTFAMILY>times</daVinci:FONTFAMILY>
     </vertex>
     <vertex match="/*/helvetica">
          <name select="name()"/>
          <daVinci:FONTFAMILY>helvetica</daVinci:FONTFAMILY>
     </vertex>
     <vertex match="/*/courier">
          <name select="name()"/>
          <daVinci:FONTFAMILY>courier</daVinci:FONTFAMILY>
     </vertex>
</graphotron>