anchor.diff:      let config = 
           {
               DebugTools.TextScannerConfiguration.Path = vc.GetResult(<@ ScanForTextArgs.Path @>)
  -            DebugTools.TextScannerConfiguration.MinimumLength = vc.GetResult(<@ ScanForTextArgs.MinimumLength @>)
  -            DebugTools.TextScannerConfiguration.MaximumLength = vc.GetResult(<@ ScanForTextArgs.MaximumLength @>)
  -            DebugTools.TextScannerConfiguration.DictionaryFile = vc.GetResult(<@ ScanForTextArgs.DictionaryFile @>)
  +            DebugTools.TextScannerConfiguration.MinimumLength = vc.GetResult(<@ ScanForTextArgs.Minimum_Length @>)
  +            DebugTools.TextScannerConfiguration.MaximumLength = vc.GetResult(<@ ScanForTextArgs.Maximum_Length @>)
  +            DebugTools.TextScannerConfiguration.DictionaryFile = vc.GetResult(<@ ScanForTextArgs.Dictionary_File @>)
           }
       let scanner = new DebugTools.StringScanner(config)
       let results = scanner.Scan()
  
positive.code: let runListLessonsAction(otw: TextWriter, db: LLDatabase)(vc: ParseResults<ListLessonsArgs>) = 
      let allowedGameIds = 
          db.Games
          |> Array.filter(makeGameRegexFilter(vc.GetResult(<@ ListLessonsArgs.GameRegex @>)))
          |> Array.map(fun t -> t.ID)
  
      let checkGameFilterForLesson(l: LessonRecord) = 
          allowedGameIds |> Array.contains(l.GameID)
  
      let lessonFilter = makeLessonRegexFilter(vc.GetResult(<@ ListLessonsArgs.FilterRegex @>))
  
      db.Lessons
      |> Array.filter checkGameFilterForLesson
  
negative.code:     let iPluginManager = pluginManager :> IPluginManager
  
      let otw = 
          match results.TryGetResult(<@ Log_File @>) with
          | Some(lf) -> new StreamWriter(lf, false, Encoding.UTF8) :> TextWriter
          | _ -> System.Console.Out
  
      let fldbPath = 
          match results.TryGetResult(<@ Database_Path @>) with
          | Some(dbPath) -> dbPath
          | _ -> Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), @"LudumLinguarum\LudumLinguarum.db3")
  
  