;; 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 2 of the License, or
;; (at your option) any later version.
Please consider upgrading the license to GPLv3.
Reasons why: https://lists.gnu.org/archive/html/emacs-devel/2017-07/msg01069.html https://www.gnu.org/licenses/rms-why-gplv3.html
The main file tuareg.el says:
So this upgrade should be unproblematic.
Thanks!