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+==============
+``norm_chart``
+==============
+
+.. image:: img/smaller/norm-chart.png
+
+.. versionadded:: 1.3.0
+
+**Description**
+
+"Curve vs norm" style chart. Suitable for situations, when you want to
+compare some data with expected value ("norm") or put an emphasis on y-axis
+values.
+
+**Content**
+
+::
+
+    "data" = {
+        "title": "<title>",
+        "description": "<description>",
+        "plot_data": [ [<series1>], [<series2>], [<series3>], ... ]
+    }
+
+where:
+
+.. describe:: title, description
+
+   Title and description (subtitle) for the tile.
+
+.. describe:: plot_data
+
+    Data for charts in a form of list of series, where each series designates
+    single chart; each element of a given series is a pair ``[x_axis_value,
+    y_axis_value]``.
+
+Example::
+
+  curl http://localhost:7272/api/v0.1/<api_key>/push
+       -X POST
+       -d "tile=norm_chart"
+       -d "key=<tile_id>"
+       -d 'data={"title": "My title",
+                 "description": "Some description",
+                 "plot_data": [[[1, 2], [3, 5.12], [5, 13.1], [7, 33.6], [9, 85.9], [11, 219.9]],
+                               [[6, 2], [3, 5.12], [5, 13.1], [7, 33.6], [9, 85.9], [11, 219.9]]]}'
+
+**Configuration**
+
+::
+
+  value = {
+      "easyNorms": [["<color>", <y-value>, <line_width>], ...]
+  }
+
+where:
+
+.. describe:: easyNorms
+
+   List of norms to be displayed. Each norm consists of three elements:
+
+   .. describe:: color
+
+      Color which given norm should use - in a hexadecimal form or color name
+      (e.g.  ``#94C140`` or ``green``).
+
+   .. describe:: y-value
+
+      Value for the norm.
+
+   .. describe:: line_width
+
+      Line thickness for the norm (in pixels).
+
+Example::
+
+    curl http://localhost:7272/api/v0.1/<api_key>/tileconfig/<tile_id>
+         -X POST
+         -d 'value={"easyNorms": [["yellow", 200, 2], ["green", 100, 2]]}'