anchor.diff:  
   }
   
  +/**
  + * A greedy parser that repeatedly parses between 'min' and 'max' instances of
  + * its delegate.
  + */
   class PossessiveRepeatingParser extends RepeatingParser {
   
     PossessiveRepeatingParser(Parser parser, int min, int max)
  
positive.code: const int unbounded = -1;
  
  /**
   * A parser that repeatedly parses a sequence of parsers.
   */
  abstract class RepeatingParser extends DelegateParser {
  
  
negative.code: 
  /**
   * An abstract parser that repeatedly parses between 'min' and 'max' instances of
   * its delegate and that requires the input to be completed with a specified parser
   * 'limit'. Subclasses provide repeating behavior as typically seen in regular
   * expression implementations (non-blind).
   */
  