2588     size_t iStart = 0;  variable
2596                 retval.put(s[iStart .. i + (keepTerm == Yes.keepTerminator)]);
2597                 iStart = i + 1;
2603                     retval.put(s[iStart .. i + (keepTerm == Yes.keepTerminator) * 2]);
2604                     iStart = i + 2;
2625                         retval.put(s[iStart .. i + (keepTerm == Yes.keepTerminator) * 3]);
2626                         iStart = i + 3;
2638                         retval.put(s[iStart .. i + (keepTerm == Yes.keepTerminator) * 2]);
2639                         iStart = i + 2;
2659     if (iStart != s.length)
2660         retval.put(s[iStart .. $]);
2766     IndexType iStart = _unComputed;  member
2784             return iStart == _unComputed && iNext == _input.length;  in empty()
2790         if (iStart == _unComputed)  in front()
2792             iStart = iNext;  in front()
2865         return _input[iStart .. iEnd];  in front()
2870         if (iStart == _unComputed)  in popFront()
2875         iStart = _unComputed;  in popFront()