anchor.diff:              [(".", None); 
                ("System", None); 
                ("WriteLine", None);
  -             ("(", Some ("[5..62)", 0, 2, Some "format")); 
  -             ("format", Some ("[5..62)", 0, 2, Some "format"));
  +             ("(", Some ("[7..64)", 0, 2, Some "format")); 
  +             ("format", Some ("[7..64)", 0, 2, Some "format"));
                (",", None);
  -             ("""",""", Some ("[5..62)", 1, 2, Some "arg0"));
  -             ("arg0", Some ("[5..62)", 1, 2, Some "arg0"));
  -             ("arg0=", Some ("[5..62)", 1, 2, Some "arg0")); 
  -             ("World", Some ("[5..62)", 1, 2, Some "arg0"));
  +             ("""",""", Some ("[7..64)", 1, 2, Some "arg0"));
  +             ("arg0", Some ("[7..64)", 1, 2, Some "arg0"));
  +             ("arg0=", Some ("[7..64)", 1, 2, Some "arg0")); 
  +             ("World", Some ("[7..64)", 1, 2, Some "arg0"));
                (")", None)]);
             ( """
   //2
  
positive.code: type foo4 = N1.T<Param1=1, >
  type foo5 = N1.T<Param1=1,ParamIgnored= >
  """,
              [("type foo = N1.T<", Some ("[16..22)", 0, 0, None));
               ("type foo2 = N1.T<", Some ("[37..50)", 0, 0, Some "Param1"));
               ("type foo2 = N1.T<Param1", Some ("[37..50)", 0, 1, Some "Param1"));
               ("type foo2 = N1.T<Param1=", Some ("[37..50)", 0, 1, Some "Param1"));
               ("type foo3 = N1.T<", Some ("[64..83)", 0, 0, Some "ParamIgnored"));
               ("type foo3 = N1.T<ParamIgnored=", Some ("[64..83)", 0, 1, Some "ParamIgnored"));
               ("type foo4 = N1.T<Param1", Some ("[97..112)", 0, 2, Some "Param1"));
               ("type foo4 = N1.T<Param1=", Some ("[97..112)", 0, 2, Some "Param1"));
               ("type foo4 = N1.T<Param1=1", Some ("[97..112)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1", Some ("[126..154)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=", Some ("[126..154)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=1", Some ("[126..154)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=1,", Some ("[126..154)", 1, 2, Some "ParamIgnored"));
               ("type foo5 = N1.T<Param1=1,ParamIgnored",Some ("[126..154)", 1, 2, Some "ParamIgnored"));
               ("type foo5 = N1.T<Param1=1,ParamIgnored=",Some ("[126..154)", 1, 2, Some "ParamIgnored"))])
  //Test case 5
            ( """let _ = System.DateTime(""",
              [("let _ = System.DateTime(",  Some ("[8..24)", 0, 0, None)) ])
            ]
  
      for (fileContents, testCases) in manyTestCases do
        printfn "Test case: fileContents = %s..." fileContents.[2..4]
        let actual = 
          [ for (marker, expected) in testCases do
              printfn "Test case: marker = %s" marker 
  
negative.code: type foo4 = N1.T<Param1=1,
  type foo5 = N1.T<Param1=1,ParamIgnored=
  """,
              [("type foo = N1.T<", Some ("[18..26)", 0, 0, None));
               ("type foo2 = N1.T<", Some ("[38..52)", 0, 0, Some "Param1"));
               ("type foo2 = N1.T<Param1", Some ("[38..52)", 0, 1, Some "Param1"));
               ("type foo2 = N1.T<Param1=", Some ("[38..52)", 0, 1, Some "Param1"));
               ("type foo3 = N1.T<", Some ("[64..84)", 0, 0, Some "ParamIgnored"));
               ("type foo3 = N1.T<ParamIgnored=", Some ("[64..84)", 0, 1, Some "ParamIgnored"));
               ("type foo4 = N1.T<Param1", Some ("[96..112)", 0, 2, Some "Param1"));
               ("type foo4 = N1.T<Param1=", Some ("[96..112)", 0, 2, Some "Param1"));
               ("type foo4 = N1.T<Param1=1", Some ("[96..112)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1", Some ("[124..153)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=", Some ("[124..153)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=1", Some ("[124..153)", 0, 2, Some "Param1"));
               ("type foo5 = N1.T<Param1=1,", Some ("[124..153)", 1, 2, Some "ParamIgnored"));
               ("type foo5 = N1.T<Param1=1,ParamIgnored",Some ("[124..153)", 1, 2, Some "ParamIgnored"));
               ("type foo5 = N1.T<Param1=1,ParamIgnored=",Some ("[124..153)", 1, 2, Some "ParamIgnored"))
              ]);
            ( """
  //4
  