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tri.c		Triangulation code, O(n^2).
macros.h	List processing macros, for tri.c
comb.c		Generates comb polygons.
Makefile	Compiles the C code; default tri.c.
i.*		Sample input files; i.18 is Fig. 1.27 in Chapter 1.
		E.g.: % tri < i.snake > o.snake
README.tri	This file.