Hi! On Mon, Feb 12, 2001 at 04:49:42PM -0500, Ricardo Guzman wrote: > So you use the 'lst' data structure to maintain this paired > representation? Yes. Bye, Christian -- / Coding on PowerPC and proud of it \/ http://www.uni-mainz.de/~bauec002/ - To UNSUBSCRIBE, email to ginac-list at ginac.de with a subject of "unsubscribe".