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Copyleft and the GPL: A Comprehensive Tutorial and Guide
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Revision Commit Message Age Author Refs
a2d90d4b73ff Merge branch 'next' 2 years and 1 month ago bkuhn
d7ff8bd6ff1f Additional connecting text for irrevocability discussion. 2 years and 1 month ago bkuhn
d2b784546039 More detail on Irrevocability of GPLv2 2 years and 1 month ago Pamela Chestek
fcfe1bea4d0f Remove UTF-8 apostrophe in favor of a LaTeX one. 2 years and 1 month ago bkuhn
462a1dad97db Fix build issues. 2 years and 1 month ago bkuhn
0c4135115309 More slides for CCS examples from a long time ago. 2 years and 1 month ago bkuhn
06e02e66fa03 A few sentences more for the next section. 2 years and 1 month ago bkuhn
8be5affab968 first draft: completed Historical Background section 2 years and 1 month ago bkuhn
a9a051378798 Began work in Introduction and Historical Background 2 years and 1 month ago bkuhn
871a6447e6bc GPL Installation Instructions Article: abstract 2 years and 1 month ago bkuhn
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Copyleft and GPL Tutorial Materials

This repository contains various tutorial materials regarding the suite of GNU General Public Licenses and copyleft (as applied to software).

The primary item of interest is an omnibus book on copyleft that is built from the comprehensive-GPL-guide.tex file.

You can build this project with the following command:

$ make

HTML output will be in the public_html directory and a PDF file will be in comprehensive-gpl-guide.pdf.

You may need to first install texlive, tex4ht and a few other things. On Debian-based systems, this command may work as root:

# aptitude install texlive-full make tex4ht

You may also browse the current version of the guide on, and download a PDF of the Guide as well.

Note the canonical repository for this project is on Typically, copies of this repository on sites other than are for informational and backup purposes only.


Improvements of all kinds and manner are welcome. Please review the instructions and details regarding making contributions for more information. may be sponsored by various organizations, and organizations may also republish some, or all, of the output of this project under the terms of the CC BY-SA license. However, contributors' work is their own, and thus the opinions expressed in their contributions, IRC utterances, commit messages, mailing list posts, and/or other fora provided by may not necessarily reflect the views of the contributors' employers and/or organizations sponsoring the project and/or organizations republishing's materials. Generally speaking, unless stated otherwise, please assume that individuals contribute to in their personal capacity.