From: Christoph Date: 2002-06-13T08:43:24+09:00 Subject: Re: array reference ? "Hugo de Paix de Coeur" wrote in .... --- def modify(a) a.concat [2,3] end p a =[1],a.id modify(a) p a,a.id --- [1] 20729280 [1, 2, 3] 20729280 --- /Christoph