All right reserved.
Rights given by the copyleft licenses are indicated below.
Copyright (c) 2007 2i2L Sarl. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation ; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
The contents of this tutorial are available under a double copyleft license:
A small amount of illustrations have been borrowed from the OpenClipart library.
In the true spirit of software freedom, all fixes and updates to this tutorial are welcome at this e-mail address: firstname.lastname@example.org