anchor.diff:          ]
         },
         {
  -        data : "Device Pool 2",
  -        attr : { rel : "device_pool", "data-color" : "FFC", "style" : "background-color:#ffc"  },
  +        data : "Device Pool 2 <span class='color' style='background-color:#FFC'> </span>",
  +        attr : { rel : "device_pool", "data-color" : "FFC" },
           metadata : { id : 2 },
           children : [
             {
  
positive.code:   #map-container {
      width : 625px;
      height : 490px;
    }
  </style>
  
  
negative.code:     attr : { rel : "provider" },
      children : [ // device_pools
        {
          data : "Device Pool 1 <span class='color' style='background-color:#ccc'> </span>", // do device pools have names ?
          metadata : { id : 1},
          attr : { rel : "device_pool", "data-color" : "ccc" },
          children : [ // devices
            {
            	data   : "Device 1",
  