ellow fixedsize=true label="a very long label"]
    d [fixedsize=shape label="an even longer label"]
  }
  a -> {c d}
  b -> {c d}
}
</XMP>
yields the figure<BR>
<IMG SRC=fixed.gif>
<P>
Note that the label of the yellow node, with <tt>fixedsize=true</tt>, overlaps
the other node, where there is sufficient space for the gray node with
<tt>fixedsize=shape</tt>.
<P>
The shapes: <TT>note</TT>, <TT>tab</TT>, <TT>folder</TT>,
<TT>box3d</TT> and <TT>component</TT> were provided by Pander.
The synthetic biology sha