ref: b31e965ea36f21cf4da91ae33d840999e10a76d4
dir: /sys/src/cmd/tcs/gb.h/
/* gb ranges from a1a1 to f7fe inclusive we use a kuten-like mapping the above range to 101-8794 */ #define GBMAX 8795 extern long tabgb[GBMAX]; /* runes indexed by gb ordinal */