[Chicken-janitors] #652: plot needs datatype and matchable

[Chicken Trac]

#652: plot needs datatype and matchable
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 Reporter:  mario       |       Owner:  iraikov
     Type:  defect      |      Status:  new    
 Priority:  major       |   Milestone:  4.8.0  
Component:  extensions  |     Version:  4.7.x  
 Keywords:  plot        |  
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 See http://tests.call-cc.org/master/linux/x86/2011/07/16/salmonella-
 report/plot.html

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Ticket URL: <http://bugs.call-cc.org/ticket/652>
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