Thoughts on “open” or “free” licenses for document

Advogata: “The Reefknot project (http://reefknot.sourceforge.net/) is currently discussing what license to slap onto the a certain part of the documentation itself. Licenses being considered are the Gnu Free Documentation License, and the Open Publication License. I wrote the following to the mailing list, and got a little carried away, so thought it should have wider reading. This article is released under the Open Publication License”