- Add ncurses patch 20210424
+ avoid using broken system macros for snprintf which interfere with
_nc_SLIMIT's conditionally adding a parameter when the string-hacks
configure option is enabled.
+ add a "all::" rule before the new "check" rule in test/Makefile.in
- Add ncurses patch 20210418
+ improve CF_LINK_FUNCS by ensuring that the source-file is closed
before linking to the target.
+ add "check" rules for headers in c++, progs and test-directories.
+ build-fix for termsort module when configured with termcap (reports
by Rajeev V Pillai, Rudi Heitbaum).
- Add ncurses patch 20210417
+ extend --disable-pkg-ldflags option to also control whether $LDFLAGS
from the build is provided in -config and .pc files (Debian #986764).
+ fix some cppcheck warnings, mostly style, in ncurses and c++
libraries and progs directory.
+ fix off-by-one limit for tput's processing command-line arguments
(patch by Hadrien Lacour).
- Do not strip examples
- Install available manual pages of examples as well

- Add ncurses patch 20210403
+ fix some cppcheck warnings, mostly style, in ncurses library and
progs directory.
+ improve description of BSD-style padding in curs_termcap.3x
+ improved CF_C11_NORETURN macro, from byacc changes.
+ fix "--enable-leak" in CF_DISABLE_LEAKS to allow turning
leak-checking off later in a set of options.
+ relax modification-time comparison in CF_LINK_FUNCS to allow it to
accept link() function with NFS filesystems which change the mtime