Known Bugs:


Known bugs in gtk_plot_data:  if the vertices are too far out of 
the clip region, sometimes the data points are clipped out of 
existance, and sometimes not. (vert and horizontal).

-- crash if gtk_plot_data_set_symbol (color is null)

-- fill_area is broken on polar plots

-- need anti-aliased lines
-- need anti-aliases text

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known bugs in gtk_strip_chart:

-- notion of limits should be abstracted to have as many or as 
   few as desired.

-- using date for x axis should be abstracted. Nsty l10n issue

-- when resizing, layout is sucky; need margins to be constant pixel size 
   (based on font)?
