code: public ParserResults parse(final String contentSpec, final ParsingMode mode) {
          return parse(contentSpec, mode, false);
      }
docs: Parse a Content Specification to put the string into usable objects that can then be validate.
  
  @param contentSpec A string representation of the Content Specification.
  @param mode        The mode in which the Content Specification should be parsed.
  @return True if everything was parsed successfully otherwise false.