flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> Ident([<a href="Identifier">Identifier</a>])
    Ident --> Gets([<tt>:=</tt>])
    Start --> Slash([<tt>/</tt>])
    Slash --> Ident
    Gets --> Expr([<a href="Expression">Expression</a>])
    Expr --> Stop