\manpage {graph\_edit} {} {A Simple Graph Editor} 
 
\func  void graph\_edit {(window\&\ W, GRAPH\<point,int\>\&\ G, bool\ dir=true, bool\ redraw=true)}
           {  starts a simple graph editor in window $W$ allowing to display
              and manipulate graph $G$. If the boolean flag $dir$ is $true$
              $G$ is displayed as a directed graph, otherwise, it is displayed
              undirected.  }
 
 
