- Add ncurses patch 20221105
+ regenerate configure scripts with autoconf 2.52.20221009
+ modify "--with-manpage-format" to support bzip2 and xz compression
(prompted by discussion with Sam James).
+ modify make-tar.sh scripts to make timestamps more predictable.

- Add ncurses patch 20221029
+ improve curs_slk.3x discussion of extensions and portability (report
by Bill Gray).

- Add ncurses patch 20221023
+ change man_db.renames to template, to handle ncurses*-config script
with the extra-suffix configure option.

- Add ncurses patch 20221015
+ fix another memory-leak in tic.
+ update install-sh script from autoconf, to fix install problem for
Ada95 with Arch; as noted in
https://lists.gnu.org/archive/html/automake/2018-09/msg00005.html
there are unaddressed issues.
+ update CF_XOPEN_SOURCE, adding GNU libc suffixes for abi64, abin32,
x32 (report by Sven Joachim):
+ correct ifdef's for _nc_set_read_thread() (patch by Mikhail Korolev,
cf: 20220813).

- Add ncurses patch 20221008
+ correct a switch-statement case in configure script to allow for test
builds with ABI=7.
+ modify misc/gen-pkgconfig.in to allow for the case where the library
directory does not yet exist, since this is processed before doing an