* Copyright (c) The Exim Maintainers 2016 - 2022
* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003-2015
* License: GPL
- * SPDX-License-Identifier: GPL-2.0-only
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
/* Code for matching regular expressions against headers and body.