| a
	  (PLFLT **, input)	  nx
	  (PLINT, input)	  ny
	  (PLINT, input)	  defined
	  (PLINT (*) (PLFLT, PLFLT), input)	  xmin
	  (PLFLT, input)	  xmax
	  (PLFLT, input)	  ymin
	  (PLFLT, input)	  ymax
	  (PLFLT, input)	  shade_min
	  (PLFLT, input)	  shade_max
	  (PLFLT, input)	  sh_cmap
	  (PLINT, input)	  sh_color
	  (PLFLT, input)	  sh_width
	  (PLINT, input)	  min_color
	  (PLINT, input)	  min_width
	  (PLINT, input)	  max_color
	  (PLINT, input)	  max_width
	  (PLINT, input)	  fill
	  (void (*) (PLINT, PLFLT *, PLFLT *), input)	  rectangular
	  (PLINT, input)	  pltr
	  (void (*) (PLFLT, PLFLT, PLFLT *, PLFLT *, PLPointer)
           , input)	  pltr_data
	  (PLPointer, input)	  
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