Log Message:-----------Document tri-valued variables in createdb, +1, -1, 0.
Modified Files:-------------- pgsql/src/bin/scripts: createuser.c (r1.21 -> r1.22) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/createuser.c.diff?r1=1.21&r2=1.22)
