TODO for fig2mfpic.c of Wed 15 June 1994, by Geoffrey Tobin (gt@ee.latrobe.edu.au).
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1.  Catch empty lists of points in paths, such as curves and cyclic curves.
2.  Arc boxes.
3.  B-splines.
4.  Scale text to Fig's specified font size.  (How?)
5.  Cause TeX code to use PostScript fonts, when Fig does.