                 ['$class',['$id','box'],'class']
                 [
                   ['set','color','blue']
-                  ['==',['get',['$reserved','this'],'x'],100]
+                  ['==',['get',['&'],'x'],100]
                 ]
               ]
             ]


    target = {
        commands: [
          ['==', ['get',['$reserved','this'],'width'],    ['get',['$reserved','this'],'x']]
          ['==', ['get',['$reserved','this'],'x'],        ['get',['$reserved','this'],'y']]
        ]
      }


                  'get',
                  [
                     ",",
                     ["$virtual",["&"],"grid"],
                     ["$virtual",["$class","that"],"grid"]
                     ["$class","box"]
                     ["$class","thing"]
