lable on versions of Graphviz
that are newer than mid-November 2003. In particular, it is not part
of release 1.10.</EM>
<P>
<B>NOTE:</B><EM>The font markups for bold, italic, underlining, subscript and 
superscript </EM>(<TT>&lt;B&gt;</TT>, <TT>&lt;I&gt;</TT>, <TT>&lt;U&gt;</TT>, <TT>&lt;SUB&gt</TT> and <TT>&lt;SUP&gt;</TT>) 
<EM>are only available in versions after 14 October 2011, and 
the markup for strike-through (<TT>&lt;S&gt;</TT>) requires versions later than 15 September 2013.
In addition, all of t