Thanks to...
                                       
     * David MacKenzie for writing Autoconf, the automatic configuration
       tool.

     * David MacKenzie and Tom Tromey for writing Automake, the tool for
       generating `Makefile's.

     * Ulrich Drepper et al for writing gettext, the GNU
       internationalization package.

     * François Pinard for advice on proceeding with development.

     * Jim Van Zandt for Debian packaging and suggestions.

     * The authors of libplot and libgsl for providing those libraries.