Commit 875461ffdf58ac04677957b4ae4160465b83b940
2022-12-31T18:40:56
maint: use UTC when updating copyright date Problem reported by Simon Joseffson in: https://lists.gnu.org/r/bug-gnulib/2022-12/msg00125.html * Makefile (COPYRIGHT_TZ): New macro. (update-copyright): Use it.