anchor.diff:      let projFileName = @"C:\Project.fsproj"
       let files = [| fileName |]
   
  +    let projectOptions: ProjectOptions =
  +            { ProjectFileName = projFileName
  +              ProjectFileNames = [| fileName |]
  +              ProjectOptions = args
  +              ReferencedProjects = Array.empty
  +              IsIncompleteTypeCheckEnvironment = false
  +              UseScriptResolutionRules = false
  +              LoadTime = DateTime.UtcNow
  +              UnresolvedReferences = None }
  +
       let parseResults =
  -        languageService.ParseFileInProject(projFileName, fileName, src, files, args, framework)
  +//        languageService.ParseFileInProject(projFileName, fileName, src, files, args, framework)
  +        languageService.ParseFileInProject(projectOptions, fileName, src)
           |> Async.RunSynchronously
   
       parseResults.ParseTree
  
positive.code: open FSharp.CompilerBinding
  open FSharpVSPowerTools
  
  let args = 
    [|"--noframework"; "--debug-"; "--optimize-"; "--tailcalls-";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\FSharp\.NETFramework\v4.0\4.3.0.0\FSharp.Core.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\mscorlib.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.Core.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.Drawing.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.Numerics.dll";
      @"-r:C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.Windows.Forms.dll"|]
  
  let framework = FSharpTargetFramework.NET_4_5
  let languageService = new FSharp.CompilerBinding.LanguageService(fun _ -> ())
  
negative.code: 
      match getSymbolAtPoint pos src with
      | Some symbol ->
          let projectOptions: ProjectOptions =
              { ProjectFileName = projFileName
                ProjectFileNames = [| fileName |]
                ProjectOptions = args
                ReferencedProjects = Array.empty
                IsIncompleteTypeCheckEnvironment = false
                UseScriptResolutionRules = false
                LoadTime = DateTime.UtcNow
                UnresolvedReferences = None }
  
          let parseAndCheckResults =
  //            languageService.ParseAndCheckFileInProject(
  //                projFileName, fileName, src, files, args, framework, AllowStaleResults.MatchingSource)
              languageService.ParseAndCheckFileInProject(projectOptions, fileName, src, AllowStaleResults.MatchingSource)
              |> Async.RunSynchronously
  
          // NOTE: we must set <colAtEndOfNames> = symbol.RightColumn
  