anchor.diff:  open Fake.Tools.Git
   open Fake.DotNet
   open Fake.IO
  +open Fake.IO.FileSystemOperators
   open Fake.IO.Globbing.Operators
   open System
   open System.IO
  
positive.code: //  =?> ("RunOldFsYaccTests", isWindows)
    ==> "All"
  
  //"All" 
  //  ==> "CleanDocs"
  //  ==> "GenerateDocs"
  //  ==> "ReleaseDocs"
  
  "Build"
    ==> "NuGet"
  
negative.code: #r @"paket:
  nuget Fake.Core.Target
  nuget Fake.Core.ReleaseNotes
  nuget Fake.IO.FileSystem
  nuget Fake.DotNet.Cli
  nuget Fake.DotNet.AssemblyInfoFile
  nuget Fake.DotNet.Paket
  