On Wed, Mar 3, 2021 at 3:34 PM Pip Cet <pipcet@gmail.com> wrote:
> I have time for that now, so here's a revised patch as a first step.

This patch removes pure space from Emacs 28.

Changes:
- now builds with --enable-checking=all

Todo:
- commit message not yet final.
- zero vector handling depends on Qnil being all zero in memory