Read the article at http://opencontent.org/openpub/
The Open Publication License was one of the first open content licenses. It has now been retired and licensors are now encouraged to use Creative Commons licenses.
- Severability – if part of it is unenforceable somewhere, the rest of it is still in force
- No warranty
- Modifications must be labeled, with acknowledgement to past and present authors and must provided reference to the original.
- Allows for a prohibition of substantively modified versions
- Can combine with other, less restrictive licenses.
- How do the OPL and Creative Commons licenses compare? How are they similar? How are they different? Why?
Creative Commons Licenses. (2014) http://creativecommons.org/licenses/
GNU Free Documentation License. (2014) https://www.gnu.org/copyleft/fdl.html