digraph {
  nd_0001 [
    shape=none
    
  label="Text label"
  ];

  nd_0002 [
    shape=none
    
  label=<<font point-size="45"><font face="Courier">html</font><font face="Helvetica">label</font></font>>
  ];

  nd_0003 [
    shape=none
  ];


  label=<<font point-size='20'><b><font face='Courier'>test-006</font></b></font>>
}