anchor.diff:          foo()
           ()       // 8
   """
  -    => [ 2, 10, 8, 10
  -         3, 13, 4, 10
  -         6, 6, 8, 10 ]
  +    => [ 2, 10,  8, 10
  +         3,  4,  4, 10
  +         3, 13,  4, 10
  +         6,  4,  8, 10 ]
   
   [<Test>]
   let ``complex outlining test``() =
  
positive.code:         | Some tree ->
              let actualRanges =
                  getOutliningRanges tree
                  |> Seq.filter (fun r -> r.StartLine <> r.EndLine)
                  |> Seq.map (fun r -> r.StartLine, r.StartColumn, r.EndLine, r.EndColumn)
                  |> List.ofSeq
              CollectionAssert.AreEquivalent (List.sort expectedRanges, List.sort actualRanges)
          | None -> failwithf "Expected there to be a parse tree for source:\n%s" source
  
negative.code:       3 ]
  """
    => [ 2, 5, 4, 9
         3, 5, 4, 8 ]
  
  [<Test>]
  let ``object expressions``() =
  