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diff --git a/contrib/chem/examples/README.txt b/contrib/chem/examples/README.txt deleted file mode 100644 index da891b87..00000000 --- a/contrib/chem/examples/README.txt +++ /dev/null @@ -1,65 +0,0 @@ -This directory contains examples for the `chem' language. - -You can view the graphical display of the examples by calling - - groffer <file> - -`groffer' calls `chem' automatically. - -If you want to transform example files to a different format use the -`roff2*' programs: - -`roff2dvi' prints dvi format to standard output, -`roff2html' generates html output, -`roff2pdf' outputs pdf mode, -`roff2ps' produces PostScript output, -`roff2text' generates text output in the groff device `latin1', -`roff2x' prints the output in the groff device X that is - suitable for programs like `gxditview' or `xditview'. - -To get a suitable `groff' output run - - @g@chem <file> | groff -p ... - -On the displays, you can see rings consisting of several lines and -bonds (lines). All points on rings and bonds that do not have a -notation mean a C atom (carbon) filled with H atoms (hydrogen) such -that the valence of 4 is satisfied. - -For example, suppose you have just a single line without any -characters. That means a bond. It has two points, one at each end of -the line. So each of these points stands for a C atom, the bond -itself connects these 2 C atoms. To fulfill the valence of 4, each -points has to carry additionally 3 H atoms. So the single empty bond -stands for CH3-CH3, though this combination doesn't make much sense -chemically. - - -####### License - -Last update: 5 Jan 2009 - -Copyright (C) 2006, 2009 Free Software Foundation, Inc. -Written by Bernd Warken <groff-bernd.warken-72@web.de>. - -This file is part of `chem', which is part of `groff'. - -`groff' is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -`groff' is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see <http://www.gnu.org/licenses/>. - - -####### Emacs settings - -Local Variables: -mode: text -End: |