docs: public boolean any(TextProvider textProvider)        
      {
          clearLastToken(textProvider);
          clearLeadingSpaces(textProvider);
          mark(textProvider);
          if (m_debug)
  			debug("testing",textProvider);
          StringBuilder sb = new StringBuilder();
          while (true)
          {
              char c = getNextChar(textProvider);
  
              if (c == ' ' || c == '\t' || c == '\r' || c == '\n' || c == 0)
              {
              	break;
              }
              sb.append(c);
          }
          unmark(textProvider);
          String s = sb.toString().trim();
          if (s.length() == 0) return false;
          textProvider.setLastToken(s);
          debug(textProvider);
          return true;
      }