Function cursorMax

src/codemirror.js:12072–12077

(cur1, cur2)

      return cursorIsBefore(cur1, cur2) ? cur1 : cur2;
    }
    function cursorMax(cur1, cur2) {
      if (arguments.length > 2) {
        cur2 = cursorMax.apply(undefined, Array.prototype.slice.call(arguments, 1));
      }
      return cursorIsBefore(cur1, cur2) ? cur2 : cur1;
    }
    function cursorIsBetween(cur1, cur2, cur3) {
      // returns true if cur2 is between cur1 and cur3.
      var cur1before2 = cursorIsBefore(cur1, cur2);