Unless stated explicitly to the contrary, I hold copyright to the material on this site and reserve all rights not granted by the following paragraph.
You may download and print any file and give print or digital copies to other persons provided first, that you do not change the content in any way and, second, that you make no condition restricting the right of any person to whom you give a file to distribute further copies on the same terms.
This idea of this policy comes from the “free” or “open source” computer software community. See the Free Software Foundation's GNU Project website (www.gnu.org) and the two papers by Eric S. Raymond, The Cathedral and the Bazaar and Homesteading the Noosphere.