From: Kalle Olavi Niemitalo
Subject: How to load PNG pictures?
Date: Wed, 28 Jun 2000 00:00:00 +0000
Message-ID: <iznbt0lizgh.fsf@stekt34.oulu.fi>

I need to load PNG-format images (with alpha channels) to a Lisp
program.  Where can I get a package for this?  It could be pure Lisp,
or an interface to libpng.  I'll be using CLISP and CMUCL.