G_END_DECLS
+/* I don't know why XFCE doesn't provide this. */
+#define LICENSE_GPL3 \
+ "This program is free software: you can redistribute it and/or modify\n" \
+ "it under the terms of the GNU General Public License as published by\n" \
+ "the Free Software Foundation, either version 3 of the License, or\n" \
+ "(at your option) any later version.\n" \
+ "\n" \
+ "This program is distributed in the hope that it will be useful,\n" \
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" \
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" \
+ "GNU General Public License for more details.\n" \
+ "\n" \
+ "http://www.fsf.org/licensing/licenses/gpl.html\n"
+
#endif