--- /dev/null
+\ 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/>.
+
+: test-compilation " test-compilation _ok." .s ;
+
+test-compilation