anchor.diff:  Export  : 'export';
   Import  : 'import';
   
  -/// The following tokens are also considered to be FutureReservedWords 
  -/// when parsing strict mode  
  +/// The following tokens are also considered to be FutureReservedWords
  +/// when parsing strict mode
   Implements : {strictMode}? 'implements';
   Let        : {strictMode}? 'let';
   Private    : {strictMode}? 'private';
  
positive.code: fragment RegularExpressionBackslashSequence
   : '\\' RegularExpressionNonTerminator
   ;
   
  /// RegularExpressionClass ::
  ///     [ RegularExpressionClassChars ]
  ///
  
negative.code: /// ThrowStatement :
  ///     throw [no LineTerminator here] Expression ;
  throwStatement
   : Throw singleExpression SemiColon
   ;
  
  /// TryStatement :
  