anchor.diff:  let copyFiles () =
     CopyRecursive files output true |> Log "Copying file: "
     ensureDirectory (output @@ "content")
  -  CopyRecursive (formatting @@ "styles") (output @@ "content") true 
  +  CopyRecursive (formatting @@ "styles") (output @@ "content") true
       |> Log "Copying styles and scripts: "
   
   // Build API reference from XML comments
  
positive.code: let output     = __SOURCE_DIRECTORY__ @@ "../output"
  let files      = __SOURCE_DIRECTORY__ @@ "../files"
  let templates  = __SOURCE_DIRECTORY__ @@ "templates"
  let formatting = __SOURCE_DIRECTORY__ @@ "../../packages/FSharp.Formatting.2.4.17/"
  let docTemplate = formatting @@ "templates/docpage.cshtml"
  
  // Where to look for *.csproj templates (in this order)
  
negative.code:   CleanDir (output @@ "reference")
    for lib in referenceBinaries do
      MetadataFormat.Generate
        ( bin @@ lib, output @@ "reference", layoutRoots,
          parameters = ("root", root)::info,
          sourceRepo = githubLink @@ "tree/master",
          sourceFolder = __SOURCE_DIRECTORY__ @@ ".." @@ "..",
  