code: function(evt) {
          evt.preventDefault();
          evt.stopPropagation();
          if (debug) { timedLog("endSecondFinger"); }
          if (evt.touches.length > 1) {
            if (debug) { timedLog("endSecondFinger - capped"); }
            return true;
          }
          if (debug) { timedLog("endSecondFinger - continued"); }
          handlers.startmark(evt);
          // If there are no fingers left on the screen,
          // we have not finished the handling
          return evt.touches.length !== 0;
        }
docs: When the second touch event ends, we might still need to
  keep processing plain single touch updates.