digraph Perl
{
graph [ rankdir="TB" ]
node [ shape="oval" ]
edge [ color="grey" ]
"dummy.prefix.node" [ color="invis" label="" ]
"node.1" [ color="red" ]
"dummy.prefix.node" -> "node.1" [ color="cornflowerblue" label="" ]
}
digraph Perl
{
graph [ rankdir="TB" ]
node [ shape="oval" ]
edge [ color="grey" ]
"dummy.prefix.node" [ color="invis" label="" ]
"node.1" [ color="red" ]
"dummy.prefix.node" -> "node.1" [ color="cornflowerblue" label="" ]
}