Since version 1.40 pdfTeX supports several color stacks. This package shows how a separate colour stack can be used for transparency, a property other than colour.
The package is part of the oberdiek bundle.
The author is Heiko Oberdiek. The package is Copyright © 2007 Heiko Oberdiek.
License: lppl Version: 1.0 Catalogued: 2007-01-09