anchor.diff:          "markers": [
             {
               "max": null,
  -            "dim": "y",
  +            "min": 80,
               "type": "error bold",
               "value": "y > 80",
  -            "min": 80
  +            "dim": "y"
             },
             {
               "max": 80,
  -            "dim": "y",
  +            "min": null,
               "type": "ok dashed",
               "value": "y < 80",
  -            "min": null
  +            "dim": "y"
             }
           ]
         },
  
positive.code:         "markers": [
            {
              "max": null,
              "dim": "y",
              "type": "error bold",
              "value": "y > 80",
              "min": 80
            },
            {
              "max": 80,
              "dim": "y",
              "type": "ok dashed",
              "value": "y < 80",
              "min": null
            }
          ]
        },
  
negative.code: {
    "board_title": "<%= environment %> Routing Metrics",
    "board_bgtype": "board_graph",
    "created": "2016-01-08T01:40:12.535608+00:00",
    "original_title": "<%= environment %> Routing Metrics",
    "modified": "2016-01-08T21:42:19.423483+00:00",
    "height": 133,
    "width": "100%",
    "template_variables": [
  