ABOUT MuPDF is a lightweight open source software framework for viewing and converting PDF, XPS, and E-book documents. See the documentation in docs/index.html for an overview. Build instructions can be found in docs/building.html. LICENSE MuPDF is Copyright (c) 2006-2022 Artifex Software, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. For commercial licensing, including our "Indie Dev" friendly options, please contact sales@artifex.com. REPORTING BUGS AND PROBLEMS The MuPDF developers hang out on IRC in the #mupdf channel on Libera.Chat. Report bugs on the ghostscript bugzilla, with MuPDF as the selected component. http://bugs.ghostscript.com/ If you are reporting a problem with a specific file, please include the file as an attachment.