anchor.diff:          true
       |> Log "Copying styles and scripts: "
   
  -let binaries() =
  +let binaries = lazy (
       let manuallyAdded =
           referenceBinaries
           |> List.map (fun b -> bin @@ b)
  
positive.code:     CleanDir (output @@ "reference")
      MetadataFormat.Generate
          (
              binaries(), output @@ "reference", layoutRootsAll.["en"],
              parameters = ("root", root isRelease)::info,
              sourceRepo = githubLink @@ "tree/master",
              sourceFolder = __SOURCE_DIRECTORY__ @@ ".." @@ "..",
              publicOnly = true,libDirs = libDirs
          )
  
  // Build documentation from `fsx` and `md` files in `docs/content`
  
negative.code:         |> Array.filter fileExists
          |> List.ofArray
  
      conventionBased @ manuallyAdded)
  
  let libDirs = lazy (
      bin
      |> directoryInfo
      |> subDirectories
      |> Seq.map (fun x -> x.FullName @@ ActualFramework)
      |> Seq.filter directoryExists
      |> List.ofSeq
      |> List.append [bin])
  
  // Build API reference from XML comments
  let buildReference isRelease =
  