rem: var map = this.map, rows = Game.rows; 
add: const map = this.map, rows = Game.rows; 
context:   undo: function() {    var map = this.map, rows = Game.rows;    Game.redealsRemaining++;    // appendChild(node) will remove node first (per DOM spec), so we needn't bother clearing the layout    // map[r][0..n] maps to row[r][(13-n)..13]    for(var r = 0; r != 4; r++) {      var len = map[r].length, co = 13 - len;      for(var c = 0; c != len; c++) if(map[r][c]) rows[r][c+co].addCard(map[r][c]);    }  },
meta: 3385	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3385/ccc58b22055087a3daab6415a40db3d94a3fed96/montana.js/buggy/montana.js