pgf -- A Portable Graphic Format for TeX See the directory doc/generic/pgf for more information. See the file doc/generic/pgf/version-for-pdftex/en/pgfmanual.pdf for a manual. This documentation also explains the installation. See the file doc/generic/pgf/license/LICENSE for license details. Please go to http://sourceforge.net/projects/pgf/ to submit bug reports, request new features, etc.