flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> Proc([<tt>procedure</tt>])
  Proc --> AfterArgs(( ))
  Proc --> Params([<a href="DeclParams">Parameters</a>])
  Params --> AfterArgs
  AfterArgs --> Equals([<tt>=</tt>])
  AfterArgs --> Begin([<tt>begin</tt>])
  Equals --> Expr([<a href="Statement">Statement</a>])
  Expr ----> Stop
  Begin --> End
  Begin --> Body([<a href="Statement">Statement</a>])
  Body --> End([<tt>end</tt>])
  End ---> Stop