code: function ak(a, b) {
      return function(e, k) {
        var action = (e.shiftKey || e.ctrlKey || e.altKey || e.metaKey ||
                      !self.keyboard.applicationKeypad) ? a : b;
        return resolve(action, e, k);
      };
    }
docs: If not application keypad a, else b.  The keys that care about application keypad ignore it when the key is modified.