anchor.diff:              addDFASymbol whitespaceRegex (Choice2Of4 whitespaceSymbol)
   
           // And finally, add the newline symbol to the DFA and to the noise symbols.
  -        // If it was a terminal, it is already included.
  +        // If it was a terminal, it is already included in the terminals.
           if usesNewLine then
               match newLineSymbol with
               | Choice2Of4 x -> noiseSymbols.Add(x)
  
positive.code:         let noiseSymbols = ImmutableArray.CreateBuilder()
          let groups = ImmutableArray.CreateBuilder()
          let groupMap = Dictionary<AbstractGroup,_>()
          let productions = ImmutableArray.CreateBuilder()
          let fusers = ImmutableArray.CreateBuilder()
  
          let rec getLALRSymbol (sym: Symbol) =
              let newTerminal name = Terminal(uint32 terminals.Count, name)
              let handleTerminal (term: AbstractTerminal) =
                  let symbol = newTerminal term.Name
                  terminalMap.Add(term, symbol)
  
negative.code:         let mutable newLineSymbol = Choice2Of4 noiseNewLine
          let metadata = df.Metadata
          let terminals = ImmutableArray.CreateBuilder()
          let newTerminal name = Terminal(uint32 terminals.Count, name)
          let literalMap =
              match metadata.CaseSensitive with
              | true -> StringComparer.Ordinal
  