- For the source, see rnl in rnd.c.
rnl(x) is a pseudo-random number function used in NetHack when a result should be weighted by Luck.
rnl(x) has the same range as rn2(x) (that is, 0<=rnl(x)<x), but is weighted toward 0 if you have positive Luck, and toward x-1 if you have negative Luck.
