Most of these were reported by Josh Soref <jsoref@gmail.com> in:
https://lists.gnu.org/r/bug-gnulib/2023-06/msg00057.html
except that some are omitted because the original is OK (e.g.,
"obsolescent"), and some are omitted because they are upstream
files and I've fixed them upstream or have filed bug reports,
and I made a few nearby corrections to grammar.