This Book is Free

This book started out as bits of documentation written by René Rebe, which were then gradually updated and enhanced according to the changes and progress made in T2 as well as user and developer feedback. As such, it has always been under a free license. (See Appendix C, Copyright.) In fact, the book was written in the public eye, as a part of T2. This means two things:

A relatively recent online version of this book can be found at