$title Test that option clear works like an assign (CLEAR1,SEQ=9) set i / a,b /; alias(j,i) ; abort$(not card(i)) 'this is wrong',i; abort$(not card(j)) 'this is wrong',j; option clear=j; abort$card(i) 'this is also wrong',i; abort$card(j) 'this is also wrong',j;