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/* The following are used for displaying formulas.
The macros there accept 4 bits:  Intensity, RGB;
but the intensity bit is ignored, and only 3 bits
are stored with a colored term.  These are then
converted to 24-bit color values at display time
(in Windows).  In DOS, an intensity bit is added
back in before text-mode display. */

#define BLACK 0
#define BLUE 1
#define GREEN 2
#define CYAN 3
#define RED 4
#define MAGENTA 5
#define YELLOW 14
#define WHITE 7