8 <script><code>print p1;p1=2*p1</code></script>
9 <inport name="p1" type="string"/>
10 <outport name="p1" type="string"/>
13 <node name="node2" type="node1">
17 <control> <fromnode>node1</fromnode> <tonode>node2</tonode> </control>
21 <fromnode>node1</fromnode><fromport>p1</fromport>
22 <tonode>node2</tonode> <toport>p1</toport>
27 <tonode>node1</tonode> <toport>p1</toport>
28 <value><string>coucou</string></value>