anchor.diff:      tw.Write(CodeFormatter.formatSourceString isFsiFile s config)
   
   [<EntryPoint>]
  -let main args =
  +let main _args =
       let recurse = ref false
       let force = ref false
       let profile = ref false
  
positive.code:     let strictMode = ref false
  
      let handleOutput s =
          outputPath := IO s
  
      let handleStdOut() =
          outputPath := StdOut
  
      let handleInput s = 
  
negative.code:         eprintfn "Input path is missing."
          exit 1
      | Folder p1, Notknown -> processFolder p1 p1
      | File p1, Notknown -> processFile p1 p1 config
      | File p1, IO p2 ->
          processFile p1 p2 config
      | Folder p1, IO p2 -> processFolder p1 p2
  