anchor.diff:        "text_size": "auto",
         "tile_def": {
           "autoscale": false,
  -        "custom_unit": " bug",
  +        "custom_unit": " %",
           "precision": 0,
           "requests": [
             {
  
positive.code:       "width": 9,
        "wrapped": true,
        "x": 9,
        "y": 31
      },
      {
        "aggr": "avg",
  
negative.code:       "width": 9,
        "wrapped": true,
        "x": 0,
        "y": 26
      },
      {
        "aggr": "avg",
  