Date: Tue, 13 Jan 1998 13:11:57 +0100 (GMT+0100)
From: Vincent Croquette <vincent AT lps DOT ens DOT fr>
Message-Id: <199801131211.NAA01591@pimprenelle.lps.ens.fr>
To: djgpp AT delorie DOT com
Subject: off topics Poscript question
Precedence: bulk



	Does anyone know how to make one color in a 
	bitmat image become transparent for was is behind
	
	many thanks
	
	vincent croquette