--- /dev/null
+## Copyright (C) 2002 Etienne Grossmann <etienne@egdn.net>
+##
+## This program 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.
+##
+## This program 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/>.
+
+## v = vrml_group (s1, s2 ... ) - Form a group node with children s1,...
+
+function v = vrml_group ( varargin )
+
+if nargin == 0, return end
+
+s = "";
+
+ # beginpre 2.1.38
+## if (nargin > 0)
+## varargin = list(varargin, all_va_args);
+## end
+ # endpre 2.1.38
+if nargin > 0, s = varargin{1}; end
+if nargin > 1
+ for i = 2:nargin, s = [s,",\n", varargin{i}]; end
+end
+## indent s
+ni = 4;
+s = [blanks(ni), strrep(s,"\n",["\n",blanks(ni)])(:)'];
+
+v = sprintf (["Group {\n",\
+ " children [\n",\
+ "%s",\
+ " ]\n",\
+ "}\n"],\
+ s);
+endfunction
+