On Sep 21, 2004, at 11:38 PM, Mark Williamson wrote:
Well, I for one felt it was nessecary to replace all content with copyvio notices because it states explicitly on the Toki Pona homepage that Toki Pona is copyrighted. In a cursory Google search, just to make sure I wasn't missing some sort of release by Sonja of the information into the public domain or under some sort of terms, I found no page under which Sonja released the language in any sort of way.
A language, per se, is not copyrightable. Only a particular description of a language is copyrightable under US law and international convention.