message: Fix ignoreWhitespaceTokens
diff: @@ -217,7 +217,7 @@ export class ParserCore<Tokens extends TokensShape, State> {
  case '\t':
  case '\r':
  case '\n':
  - return this._tokenizeWithState(inc(index), input, state);
  + return this.lookahead(inc(index));
  }
  }
  