.BG M
.VE $Header: /usr3/s/current/s/data/.help/RCS/union,v 1.2 83/12/30 23:10:38 rab Exp $
.FN union
.TL
?union: Union of Several Lists
.CS
?union(x1, x2, ...)
.PP
.AG xi
vector containing a list.
.RT
vector of the (unique) values appearing in at least one of the lists.
.KW manip
.WR
