anchor.diff:  
   module YaccConstructor.Program
   
  +open Mono.Addins
   open Yard.Core
   open Yard.Core.IL
   open Yard.Core.Helpers
  
positive.code:     ArgParser.Parse commandLineSpecs
  
      let run () =
          match !testFile, !feName, !generatorName with
          | Some fName, Some feName, Some generatorName ->
              let grammarFilePath = System.IO.Path.Combine(testsPath.Value.Value, fName)
              let fe =
                  let _raise () = InvalidFEName feName |> raise
                  if Seq.exists ((=) feName) FrontendsManager.Available
                  then
                      try
                          match FrontendsManager.Component feName with
  
negative.code:     let GeneratorsManager = GeneratorsManager.GeneratorsManager()
      let ConversionsManager = ConversionsManager.ConversionsManager()
      let FrontendsManager = Yard.Core.FrontendsManager.FrontendsManager()
  
  //    let AddManIn = AddinManager.Initialize()
  //	let AddManReg = AddinManager.Registry.Update()
  //    let GeneratorsManagerAdd = AddinManager.GetExtensionNodes (typeof(ICommand))
  
      let userDefs = ref []
      let userDefsStr = ref ""
  