pgf -- A Portable Graphic Format for TeX See the directory doc/generic/pgf for more information. See the file doc/generic/pgf/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 the official repository at https://github.com/pgf-tikz/pgf or the official mailing list at https://tug.org/mailman/listinfo/pgf-tikz to submit bug reports, request new features, etc.