gawk 3.1.6 リリース間近
cvs 版をビルドしてみるとバージョンの表記が 3.1.6 になっています。したがって、間もなく gawk 3.1.6 がリリースされるものと思われます。
$ LC_ALL=C gawk --version GNU Awk 3.1.6 Copyright (C) 1989, 1991-2007 Free Software Foundation. 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/.