%% Copyright (c) 2002, 2010 Sam Williams %% Copyright (c) 2010 Richard M. Stallman %% Permission is granted to copy, distribute and/or modify this %% document under the terms of the GNU Free Documentation License, %% Version 1.3 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 %% file called ``gfdl.tex''. \chapter*{Colophon} The front and back covers of this book were designed and produced by Rob Myers using Inkscape, the free software vector graphics program. Jeanne Rasata also contributed to the cover design. The typsetting was done by John Sullivan at the Free Software Foundation using \LaTeX, GNU Emacs, Evince, and the GNU Image Manipulation Program (GIMP). The primary font is 10-point Computer Modern. Digital versions of the book, including the \LaTeX\- source code, are available at \url{http://www.fsf.org/faif}. Improvements are welcome, and can be sent to \url{sales@gnu.org}.