anchor.diff:  
       [<Test>]
       [<Ignore>] // See issue #15
  -    member __.TestRecursiveFunctionExpansionHasThreeSources() =
  +    member __.TestNestedFunctionExpansionHasThreeSources() =
   
  -        let assemblies = compileOne tripleRecursiveCallExample 
  +        let assemblies = compileOne tripleNestedCallExample 
   
           // Helpful debugging tool
           let coordsFormatted =
  
positive.code:             )
  
          let assembly3 = List.item 2 assemblies
          printfn "coordinates for triple recursive example:%A" coordsFormatted
          // Expect assembly 3 to have coordinates on line 19, 15, 8 and 4 (4 sets)
          // Due to bug/missing feature, it currently returns only 19 and 4, and test is marked ignore
          Assert.AreEqual(4,assembly3.positions.Length)
negative.code:         |> returnOrFail
          |> fun x -> extractAssemblies x.wrappedNode
  
      let tripleNestedCallExample = """#refgenome cenpk
  #platform stitch
  
  let fun1(up,down) = // line 3 (zero numbered)
  