+20220612
+ + modify waddch_literal() to allow for double-width base character when
+ merging a combining character (report by Gavin Troy).
+ + improve _tracecchar_t2() formatting of base+combining character.
+
+20220604
+ + add note on portable memory-leak checking in man/curs_memleaks.3x
+ + remove u6-u9 from teken-2018 -TD
+ + set "xterm-new" to "xterm-p370", add "xterm-p371" -TD
+
+20220529
+ + expanded notes for teken/syscons -TD
+ + fix overlooked copying of extended string-heap in copy_termtype
+ (cf: 20220430).
+ + update config.guess
+
+20220521
+ + improve memory-leak checking in several test-programs.
+ + set trailing null on string passed from winsnstr() to wins_nwstr().
+ + modify del_curterm() to fix memory-leak introduced by change to
+ copy_termtype().
+
+20220514
+ + further improvements to test/test_mouse.c; compare with ncurses test
+ program menu A/a.
+
+20220507
+ + add test/test_mouse.c (patch by Leonid S Usov).
+ + add a few debug-traces for tic, fix a couple of memory-leaks.
+
+20220501
+ + build-fix for debug-traces (report/patch by Chris Clayton).
+
+20220430
+ + modify samples for xterm mouse 1002/1003 modes to use 1006 mode, and
+ also provide for focus in/out responses -TD
+ + modify default case in handle_wheel() to always report button-release
+ events, e.g., for xterm mouse mode 1003 (patch by Leonid S Usov).
+ + improve valid_entryname() to disallow characters used in terminfo
+ syntax: '#', '=', '|', '\'.
+ + alter copy_termtype() to allocate new str_table and ext_str_table
+ data rather than relying upon its callers.
+ + use calloc in _nc_init_entry() when allocating stringbuf, to ensure
+ it is initialized.
+ + add library-level TYPE_CALLOC for consistency with TYPE_MALLOC.
+ + add some debug-traces for tic/infocmp.
+
+20220423
+ + in-progress work on invalid_merge(), disable it (cf: 20220402).
+ + fix memory leak in _nc_tic_dir() when called from _nc_set_writedir().
+ + fix memory leak in tic when "-c" option is used.
+
+20220416
+ + add a limit-check to guard against corrupt terminfo data
+ (report/testcase by NCNIPC of China).
+ + add check/warning in configure script if option --with-xterm-kbs is
+ missing or inconsistent (Arch #74379).
+ + add setlocale call to several test-programs.
+ + allow extended-color number in opts parameter of wattr_on.
+
+20220409
+ + add test/test_unget_wch.c
+
+20220402
+ + amend extended_captype(), returning CANCEL if a string is explicitly
+ cancelled.
+ + make description-fields distinct -TD
+
+20220326
+ + update teken -TD
+ + add teken-16color, teken-vt and teken-sc -TD
+ + add a few missing details for vte-2018 (report by Robert Lange) -TD
+
+20220319
+ + add xgterm -TD
+ + correct setal in mintty/tmux entries, add to vte-2018 (report by
+ Robert Lange)
+ + add blink to vte-2018 (report by Robert Lange)
+ + improve tic warning about XT versus redundant tsl, etc.
+
+20220312
+ + add xterm+acs building-block -TD
+ + add xterm-p370, for use in older terminals -TD
+ + add dec+sl to xterm-new, per xterm patch #371 -TD
+ + add mosh and mosh-256color -TD
+
+20220305
+ + replace obsolescent "-gnatg" option with "-gnatwa" and "-gnatyg", to
+ work around build problems with gnat 12.
+ + update external links in Ada95.html
+ + trim unused return-value from canonical_name().
+
+20220226
+ + fix issues found with coverity:
+ + rewrite canonical_name() function of infocmp to ensure buffer size
+ + corrected use of original tty-modes in tput init/reset subcommands
+ + modify tabs program to limit tab-stop values to max-columns
+ + add limit-checks for palette rgb values in test/ncurses.c
+ + add a few null-pointer checks to help with static-analysis.
+ + enforce limit on number of soft-keys used in c++ binding.
+ + adjust a buffer-limit in write_entry.c to quiet a bogus warning from
+ gcc 12.0.1
+
+20220219
+ + expanded description in man/resizeterm.3x
+ + additional workaround for ImageMagick in test/picsmap.c
+
+20220212
+ + improve font-formatting in other manpages, for consistency.
+ + correct/improve font-formatting in curs_wgetch.3x (patch by Benno
+ Schulenberg).
+
+20220205
+ + workaround in test/picsmap.c for use of floating point for rgb values
+ by ImageMagick 6.9.11, which appears to use the wrong upper limit.
+ + improve use of "trap" in shell scripts, using "fixup-trap".
+
+20220129
+ + minor updates for test-packages
+ + improve handling of --with-pkg-config-libdir option, allowing for the
+ case where either $PKG_CONFIG_LIBDIR or the option value has a
+ colon-separated list of directories (report by Rudi Heitbaum,
+ cf: 20211113).
+ + update kitty -TD
+
+20220122
+ + add ABI 7 defaults to configure script.
+ + add warning in configure script if file specified for "--with-caps"
+ does not exist.
+ + use fix for CF_FIX_WARNINGS from cdk-perl, ignoring error-exit on
+ format-warnings.
+ + improve readability of long parameterized expressions with the
+ infocmp "-f" option by allowing split before a "%p" marker.
+
+20220115
+ + improve checks for valid mouse events when an intermediate mouse
+ state is not part of the mousemask specified by the caller (report by
+ Anton Vidovic, cf: 20111022).
+ + use newer version 1.36 of gnathtml for generating Ada html files.
+
+20220101
+ + add section on releasing memory to curs_termcap.3x and
+ curs_terminfo.3x manpages.
+
+20211225
+ + improve markup, e.g., for external manpage links in the manpages
+ (prompted by report by Helge Kreutzmann).
+
+20211219
+ + install ncurses-examples programs in libexecdir, adding a wrapper
+ script to invoke those.
+ + add help-screen and screen-dump to test/combine.c
+
+20211211
+ + add test/combine.c, to demo/test combining characters.
+
+20211204
+ + improve configure check for getttynam (report by Werner Fink).
+
+20211127
+ + fix errata in description fields (report by Eric Lindblad) -TD
+ + add x10term+sl, aixterm+sl, ncr260vp+sl, ncr260vp+vt, wyse+sl -TD
+
+20211120
+ + add dim, ecma+strikeout to st-0.6 -TD
+ + deallocate the tparm cache when del_curterm is called for the last
+ allocated TERMINAL structure (report/testcase by Bram Moolenaar,
+ cf: 20200531).
+ + modify test-package to more closely conform to Debian multi-arch.
+ + if the --with-pkg-config-libdir option is not given, use
+ ${libdir}/pkgconfig as a default (prompted by discussion with Ross
+ Burton).
+
+20211115
+ + fix memory-leak in delwin for pads (report by Werner Fink, OpenSUSE
+ #1192668, cf: 20211106),
+
+20211113
+ + minor clarification to clear.1 (Debian #999437).
+ + add xterm+sl-alt, use that in foot+base (report by Jonas Grosse
+ Sundrup) -TD
+ + improve search-path check for pkg-config, for Debian testing which
+ installs pkg-config with architecture-prefixes.
+
+20211106
+ + improve check in misc/Makefile.in for empty $PKG_CONFIG_LIBDIR
+ + modify wnoutrefresh to call pnoutrefresh if its parameter is a pad,
+ rather than treating it as an error, and modify new_panel to permit
+ its window-parameter to be a pad (report by Giorgos Xou).
+ + fix a memory-leak in del_curterm (prompted by discussion with Bram
+ Moolenaar, cf: 20210821).
+
+20211030
+ + simplify some references to WINDOWS._flags using macros.
+ + add a "check" rule in Ada95 makefile, to help with test-packages.
+ + build-fix for cross-compiling to MingW, conditionally add -lssp
+