anchor.diff:  // PREPARE
   
   Target "Start" DoNothing
  -Target "Clean" (fun _ -> CleanDirs ["out"; "obj" ])
   Target "RestorePackages" RestorePackages
  +
  +Target "Clean" (fun _ ->
  +    CleanDirs [ "obj" ]
  +    CleanDirs [ "out/api"; "out/docs"; "out/packages" ]
  +    CleanDirs [ "out/lib/Net35"; "out/lib/Net40"; "out/lib/Profile47"; "out/lib/Net344" ]
  +    CleanDirs [ "out/test/Net35"; "out/test/Net40"; "out/test/Profile47"; "out/test/Net344" ]
  +    CleanDirs [ "out/lib-signed/Net40" ]
  +    CleanDirs [ "out/test-signed/Net40" ])
   
   Target "AssemblyInfo" (fun _ ->
       BulkReplaceAssemblyInfoVersions "src/" (fun f ->
  
positive.code: open Fake.DocuHelper
  open Fake.AssemblyInfoFile
  open Fake.ReleaseNotesHelper
  open System
  
  Environment.CurrentDirectory <- __SOURCE_DIRECTORY__
  
negative.code: // NATIVE TEST
  
  Target "TestNativex86" (fun _ ->
      ActivateFinalTarget "CloseTestRunner"
      !! "out/MKL/Windows/x86/*UnitTests*.dll"
      |> NUnit (fun p ->
          { p with
  