anchor.diff:  [<RequireQualifiedAccess>]
   module private FsYacc =
       open System
  -    open System.CodeDom.Compiler
       open System.Diagnostics
       open Printf
       open Graham.Grammar
  
positive.code:             // Generate the code and write it to the specified file.
              using (File.CreateText fsyaccOptions.OutputPath) <| fun streamWriter ->
                  use indentedTextWriter =
                      new System.CodeDom.Compiler.IndentedTextWriter (streamWriter)
                  FsYacc.emit (processedSpec, parserTable) (fsyaccOptions, indentedTextWriter)
  
  
negative.code: 
  namespace FSharpYacc.Plugin
  
  open System.CodeDom.Compiler
  open System.ComponentModel.Composition
  open System.IO
  open LanguagePrimitives
  