# Acknowledgements FSIJ理事会の理事長、新部裕さんの日本語の翻訳。 Japanese translation by Yutaka Niibe, President of Free Software Initiative of Japan. Thanks to Łukasz Niemier for his suggestions on possible improvements. ## RFC 5322 Email Validation Regex in Ruby Regular Expressions Thanks to [Marc Heiligers](https://za.linkedin.com/in/marcheiligers/) for the note about Peter R. Marreck's gist. [RFC 5322 Email Validation Regex in Ruby Regular Expressions](https://gist.github.com/pmarreck/4626713) gist by Peter R. Marreck. About *RFC 5322 Email Validation Regex in Ruby Regular Expressions*, please note that "This work is released under the BSD 3-Clause License". This license is GNU GPLv3 compatible according to . ## An HTTP/HTTPS/FTP file downloader library/CLI based upon MiniPortile's HTTP implementation. [An HTTP/HTTPS/FTP file downloader library/CLI based upon MiniPortile's HTTP implementation.](https://gist.github.com/jonforums/2202048) gist by Jon Maken. About *An HTTP/HTTPS/FTP file downloader library/CLI based upon MiniPortile's HTTP implementation*, please note that "License: 3-clause BSD". This license is GNU GPLv3 compatible according to . ------------------------------------------ gravaty Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Marco Bresciani This file is part of gravaty. gravaty is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. gravaty 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 General Public License along with gravaty. If not, see .