bool and C23

I installed the attached patch into Gnulib, reflecting a patch I recently installed into Autoconf . I think we need a new Autoconf macro that obsoletes AC_HEADER_STDBOOL and AC_CHECK_HEADER_STDB

Re: updating gnulib-tool.py

Today's patches: 2022-08-13 Bruno Haible gnulib-tool.py: Fix some code generation details. * pygnulib/GLEmiter.py: Don't produce Windows CR-LFs on Windows. (GLEmiter.po_Makevars): Emit a definition of top_builddir, not top_subdir. (GLEmiter.po_POTFILES_i

Re: undefined behaviour in hamt.c

Thanks for the fix, Marc. I have verified that the UndefinedBehavior, as reported by clang 13, is gone. Bruno