Simple Document printer, with support for serialization caching where the latter avoids having to generate unchanged sub-trees
Tango Dual License: 3-Clause BSD License / Academic Free License v3.0. See LICENSE_TANGO.txt for details.
Copyright (C) 2008 Kris Bell. Some parts copyright (c) 2009-2016 dunnhumby Germany GmbH. All rights reserved.
Initial release: March 2008