Extracted from Pike v7.8 release 866 at 2016-11-06.
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Graphics
Graphics.Graph

Classes
 create_bars
 create_graph
 create_pie
 polyline

Methods
 bars()
 check_mapping()
 graph()
 line()
 norm()
 pie()
 sumbars()
previousGraphics.Graph.line()
Graphics.Graph.pie()next

Method Graphics.Graph.norm()

Method norm

Image.Image norm(mapping(string:mixed) diagram_data)

FIXME

Document this function