+20210116
+ + add comment for linux2.6 regarding CONFIG_CONSOLE_TRANSLATIONS
+ (report by Patrick McDermott) -TD
+ + make opts extension for getcchar work as documented for ncurses 6.1,
+ adding "-g" flag to test/demo_new_pair to illustrate.
+
+20210109
+ + fix errata in man/ncurses.3x from recent updates.
+ + improve quoting/escaping in configure script, uses some features of
+ autoconf 2.52.20210105
+
+20210102
+ + update man/curs_memleaks.3x, to include <term.h> which declares
+ exit_terminfo.
+ + clarify man/curs_terminfo.3x, to mention why the macro setterm is
+ defined in <curses.h>, and remove it from the list of prototypes
+ (prompted by patch by Graeme McCutcheon).
+ + amend man/curs_terminfo.3x, to note that <curses.h> is required
+ for certain functions, e.g., those using chtype or attr_t for
+ types, as well as mvcur (cf: 20201031).
+ + use parameter-names in prototypes in curs_sp_funcs.3x, for
+ consistency with other manpages.
+
+20201227
+ + update terminology entry to 1.8.1 -TD
+ + fix some compiler-warnings which gcc8 reports incorrectly.
+
+20201219
+ + suppress hyphenation in generated html for manpages, to address
+ regression in upgrade of groff 1.22.2 to 1.22.3.
+ + fix inconsistent sort-order in see-also sections of manpages (report
+ by Chris Bennett).
+
+20201212
+ + improve manual pages for form field-types.
+
+20201205
+ + amend build-fixes for gnat 10 to work with certain systems lacking
+ gprbuild (cf: 20200627).
+ + eliminate an additional strlen and wsclen.
+ + eliminate an unnecessary strlen in waddnstr() (suggested by Benjamin
+ Abendroth).
+ + modify inopts manpage, separating the items for nodelay and notimeout
+ (patch by Benno Schulenberg).
+ + correct mlterm3 kf1-kf4 (Debian #975322) -TD
+ + add flash to mlterm3 -TD
+
+20201128
+ + add Smulx to alacritty (Christian Duerr).
+ + add rep to PuTTY -TD
+ + add putty+keypad -TD
+ + add another fflush(stdout) in _nc_flush() to handle time-delays in
+ the middle of strings such as flash when the application uses
+ low-level calls rather than curses (cf: 20161217).
+ + modify configure check for c89/c99 aliases of clang to use its
+ -std option instead, because some platforms, in particular macOS,
+ do not provide workable c89/c99 aliases.
+
+20201121
+ + fix some compiler-warnings in experimental Windows-10 driver.
+ + add the definitions needed in recent configure-check for clang
+ (report by Steven Pitman).
+
+20201114
+ + fix some compiler-warnings in experimental Windows-10 driver.
+ + modify a check for parameters in terminfo capabilities to handle the
+ special case where short extended capability strings were not
+ converted from terminfo to termcap format.
+ + modify CF_MIXEDCASE_FILENAMES macro, adding darwin as special case
+ when cross-compiling (report by Eli Rykoff).
+
+20201107
+ + update kitty+common -TD
+ + add putty+screen and putty-screen (suggested by Alexandre Montaron).
+ + explain in ncurses.3x that functions in the tinfo library do not rely
+ upon wide-characters (prompted by discussion with Reuben Thomas).
+
+20201031
+ + modify MKterm.h.in so that it is not necessary to include <curses.h>
+ before <term.h> (prompted by discussion with Reuben Thomas).
+ + review/improve synopsis for curs_sp_funcs.3x (prompted by discussion
+ with Reuben Thomas).
+ + improve format of output in tic's check_infotocap() function, to
+ ensure that the messages contain only printable text.
+ + modify configure-check for clang to verify that -Qunused-arguments
+ is supported. IBM's xlclang does not support it (report by Steven
+ Pitman).
+
+20201024
+ + provide workaround configure-check for bool when cross-compiling.
+ + fix a potential indexing error in _nc_parse_entry(), seen with
+ Herlim's test data using address-sanitizer.
+ + change a null-pointer check in set_curterm to a valid-string check,
+ needed in to tic's use-resolution when pad_char is cancelled
+ (report/testcase by Robert Sebastian Herlim)
+ + improve tic's -c option to validate the number and type of parameters
+ and compare against expected number/type before deciding which set of
+ parameter-lists to use in tparm calls (report/testcase by Robert
+ Sebastian Herlim).
+ + fix a link for tabs.1 manpage in announce.html.in (report by Nick
+ Black), as well as some fixes via linklint.
+
+20201017
+ + improve manpage typography.
+ + improve discussion in curs_addch.3x of the use of unctrl to display
+ nonprintable characters.
+ + add a note in terminfo.5 explaining that no-parameter strings such
+ as sgr0 or cnorm should not be used with tparm.
+
+20201010
+ + correct sgr in aaa+rv (report by Florian Weimer) -TD
+ + fix some sgr inconsistencies in d230c, ibm6153, ibm6154,
+ ncrvt100an -TD
+ + improve tic's check for errors detected in tparm (prompted by
+ discussion with Florian Weimer).
+ + set output-mode to binary in experimental Windows-10 driver (Juergen
+ Pfeifer).
+
+20201003
+ + remove output-related checks for nl/nonl (report by Leon Winter).
+ + change tmux's kbs to ^? (report by Premysl Eric Janouch)
+ + simplify mlterm initialization with DECSTR -TD
+ + fix a typo in man/curs_terminfo.3 (Reuben Thomas).
+ + add tmux-direct (tmux #2370, Debian #895754)
+ + add user-defined capabilities from mintty to Caps-ncurses, for
+ checking consistency with tic.
+
+20200926
+ + correct configure-check for gnurx library.
+ + regenerate llib-* files.
+ + modify tracemunch and the panel library to show readable traces for
+ panel- and user-pointers.
+
+20200919
+ + update mlterm3 for 3.9.0 (report by Premysl Eric Janouch) -TD
+
+20200918
+ + corrected condition for appending curses.events to the generated
+ curses.h (report by Sven Joachim, Debian #970545).
+
+20200912
+ + add configure-check for systre/tre with mingw configuration, to get
+ the library-dependencies as seen in msys2 configuration for mingw64.
+ + build-fixes for the win32-driver configuration.
+ + use more defensive binary mode setting for Win32 (Juergen Pfeifer).
+
+20200907
+ + fix regression in setupterm validating non-empty $TERM (report by
+ Soren Tempel).
+
+20200906
+ + merge/adapt in-progress work by Juergen Pfeifer for new version of
+ win32-driver.
+ + correct description of vt330/vt340 (Ross Combs).
+
+20200831
+ + build-fix for awk-scripts modified for win32-driver (report by Werner
+ Fink).
+
+20200829
+ + remove a redundant NCURSES_EXPORT as a build-fix for "Maarten
+ Anonymous".
+ + merge/adapt in-progress work by Juergen Pfeifer for new version of
+ win32-driver.
+ + modify configure script, moving gcc -Werror options to EXTRA_CFLAGS
+ to avoid breaking configure-checks (adapted from ongoing work on
+ mawk and lynx).
+ > errata for terminfo.src (report by Florian Weimer):
+ + correct icl6404 csr
+ + correct ti916 cup
+ + improve ndr9500
+
+20200822
+ + improve version-number extraction in MKlib_gen.sh
+ + make the test-package for manpages installable by adjusting the
+ man_db.renames file.
+ + correct an off-by-one loop-limit in convert_strings function
+ (report by Yue Tai).
+ + add CF_SHARED_OPTS cases for HPE NonStop systems (Randall S Becker).
+ + modify CF_SHARED_OPTS case for NetBSD to use the same "-shared"
+ option for the non-rpath case as for the rpath case, to allow gcc to
+ provide suitable runtime initialization (report by Rajeev V Pillai).
+
+20200817
+ + reduce build-warnings by excluding ncurses-internals from deprecation
+ warnings.
+ + mark wgetch-events feature as deprecated.
+ + add definition for $(LIBS) to ncurses/Makefile.in, to simplify builds
+ using the string-hacks option.
+ + prevent KEY_EVENT from appearing in curses.h unless the configure
+ option --enable-wgetch-events is used (report by Werner Fink).
+
+20200816
+ + amend tic/infocmp check to allow for the respective tool's absence
+ (report by Steve Wills, cf: 20200808).
+ + improved some of the build-scripts with shellcheck
+ + filter out -MT/-MD/-MTd/-MDd options in script for Visual Studio C++
+ (discussion with "Maarten Anonymous").
+
+20200808
+ + improve discussion of the system's tic utility when used as part
+ of cross-compiling (discussion with Keith Marshall).
+ + modify configuration checks for build-time tic/infocmp to use
+ AC_CHECK_TOOL. That can still be overridden by --with-tic-path and
+ --with-infocmp-path when fallbacks are used, but even if not using
+ fallbacks, the improved check may help with cross-compiling
+ (discussion with Keith Marshall).
+ + other build-fixes for Ada95 with MinGW.
+ + modify Ada95 source-generation utility to write to a file given as
+ parameter rather than to the standard output, allowing builds with
+ MinGW.
+
+20200801
+ + remove remaining parts of checks for ISC Unix (cf: 20121006).
+ + add user32.lib to LDFLAGS for Visual Studio C++ configuration
+ (discussion with "Maarten Anonymous").
+ + modify MKkey_defs.sh to hide ncurses' definition of KEY_EVENTS to
+ reduce Visual Studio C++ redefinition warnings.
+ + improve/update checks for external functions in test/configure
+
+20200725
+ + set LINK_TESTS in CF_SHARED_OPTS for msvc (patch by
+ "Maarten Anonymous")
+ + improved workaround for redefinition-warnings for KEY_EVENT.
+ + improve man/term.5 section on legacy storage format (report by
+ Florian Weimer).
+
+20200718
+ + reduce redefinition-warnings for KEY_EVENT when building with Visual
+ Studio C++.
+ + define NCURSES_STATIC when compiling programs to link with static
+ libraries, to work with MinGW vs Visual Studio C++.
+ > additional changes for building with Visual Studio C++ and msys2
+ (reports/patches by "Maarten Anonymous")
+ + modify c++/Makefile.in to set the current directory while compiling
+ the main program, so the linker can find related objects.
+ + several changes to allow the c++/demo program to compile/link.
+ + change an ifdef in test-directory, to use VC++ wide-character funcs.
+
+20200711
+ + fix pound-sign mapping in acsc of linux2.6 entry (report by Ingo
+ Bruckl).
+ + additional changes for building with Visual Studio C++ and msys2
+ (reports/patches by "Maarten Anonymous")
+ + build-improvements for Windows 10 and MinGW (patch by Juergen
+ Pfeifer).
+ + fix a typo in curs_printw.3x (patch by William Pursell).
+ + fix two errors in infotocap which allowed indexing outside the
+ buffer (report/testcases by Zhang Gan).
+ + update length of strings in infocmp's usage function to restore a
+ trailing null on the longest string (report/testcase by Zhang Gen).
+
+20200704
+ + modify version-check with Ada generics to use the same pattern as in
+ the check for supported gnat versions (report by Pascal Pignard).
+ > additional changes for building with Visual Studio C++ and msys2
+ (patches by "Maarten Anonymous"):
+ + adjust headers/declarations to provide for "dllimport" vs "dllexport"
+ declarations when constructing DLLs, to worko with Visual Studio C++.
+
+20200627
+ + build-fixes for gnat 10.1.1, whose gnatmake drops integration with
+ gprbuild.
+ + correct buffer-length in test/color_name.h
+
+20200613
+ + update list of functions in ncurses.3x
+ + move dlclose() call from lib_mouse.c to delscreen() to avoid a case
+ in the former which could be called from SIGTSTP handler (Debian
+ #961097).
+
+20200606
+ + add xterm+256color2, xterm+88color2, to deprecate nonstandard usage
+ in xterm+256color, xterm+88color -TD
+ + add shifted Linux console keys in linux+sfkeys entry for
+ screen.linux (report by Alexandre Montaron).
+ + use vt100+enq in screen (report by Alexandre Montaron).
+ + add screen.linux-s alias (suggested by Alexandre Montaron).
+
+20200531
+ + correct configure version-check/warnng for g++ to allow for 10.x
+ + re-enable "bel" in konsole-base (report by Nia Huang)
+ + add linux-s entry (patch by Alexandre Montaron).
+ + drop long-obsolete convert_configure.pl
+ + add test/test_parm.c, for checking tparm changes.
+ + improve parameter-checking for tparm, adding function _nc_tiparm() to
+ handle the most-used case, which accepts only numeric parameters
+ (report/testcase by "puppet-meteor").
+ + use a more conservative estimate of the buffer-size in lib_tparm.c's
+ save_text() and save_number(), in case the sprintf() function
+ passes-through unexpected characters from a format specifier
+ (report/testcase by "puppet-meteor").
+ + add a check for end-of-string in cvtchar to handle a malformed
+ string in infotocap (report/testcase by "puppet-meteor").
+
+20200523
+ + update version-check for gnat to allow for gnat 10.x to 99.x
+ + fix an uninitialized variable in lib_mouse.c changes (cf: 20200502)
+ + add a check in EmitRange to guard against repeat_char emitting digits
+ which could be interpreted as BSD-style padding when --enable-bsdpad
+ is configured (report/patch by Hiltjo Posthuma).
+ + add --disable-pkg-ldflags to suppress EXTRA_LDFLAGS from the
+ generated pkg-config and ncurses*-config files, to simplify
+ configuring in the case where rpath is used but the packager wants
+ to hide the feature (report by Michael Stapelberg).
+ > fixes for building with Visual Studio C++ and msys2 (patches by
+ "Maarten Anonymous"):
+ + modify CF_SHARED_OPTS to generate a script which translates linker
+ options into Visual Studio's dialect.
+ + omit parentheses around function-names in generated lib_gen.c to
+ work around a Visual Studio C++ limitation.
+
+20200516
+ + add notes on termcap.h header in curs_termcap.3x
+ + update notes on vscode / xterm.js -TD
+
+20200509
+ + add "-r" option to the dots test-programs, to help with scripting
+ a performance comparison.
+ + build-fix test/move_field.c for NetBSD curses, whose form headers
+ use different names than SVr4 or ncurses.
+
+20200502
+ + add details on the change to Linux SGR 21 in 2018 -TD
+ + add xterm-direct16 and xterm-direct256 -TD
+ + modify lib_mouse.c to check for out-of-range button numbers, convert
+ those to position reports.
+
+20200425
+ + use vt100+fnkeys in putty -TD
+ + fix a typo in tput.1; "columns" should be "cols".
+
+20200418
+ + improve tracemunch logic for "RUN" compaction.
+ + fix a special case in wresize() where copying the old text did not
+ check if the last cell on a row was the beginning of a fullwidth
+ character (adapted from patch by Benno Schulenberg).
+ + use vt52+keypad in xterm-vt52, from xterm #354 -TD
+ + improve see-also section of user_caps.5
+
+20200411
+ + fix find_pair(), overlooked when refactoring for _nc_reserve_pairs()
+ (report/testcase by Brad Town, cf: 20170812).
+ + add a trailing null for magic-string in putwin, flagged by gcc 10
+ + update check for gcc version versus gnat to work with gcc 10.x
+
+20200404
+ + modify -fvisibility check to work with g++
+ > fixes for building with Visual Studio C++ and msys2 (patches by
+ "Maarten Anonymous"):
+ + add configure option and check for gcc -fvisibility=hidden feature
+ + define NCURSES_NOMACROS in lib_gen.c to work around Visual Studio
+ C++ preprocessor limitations.
+ + modify some of the configure-macros, as well as mk-1st.awk to work
+ with Visual Studio C++ default filenaming.
+
+20200328
+ + correct length of buffer copied in dup_field().
+ + remove "$(srcdir)/" from path of library.gpr, needed for out-of-tree
+ builds of Ada95 (patch by Adam Van Ymeren).
+
+20200321
+ + improve configure-checks to reduce warnings about unused variables.
+ + improve description of error-returns in waddch and waddnstr manual
+ pages (prompted by patch by Benno Schulenberg).
+ + add test/move_field.c to demonstrate move_field(), and a stub for
+ a corresponding demo of dup_field().
+
+20200314
+ + add history note to curs_scanw.3x for <stdarg.h> and <varargs.h>
+ + add history note to curs_printw.3x for <stdarg.h> and <varargs.h>
+ + add portability note to ncurses.3x regarding <stdarg.h>
+
+20200308
+ + update copyright notices in test-packages.
+ + modify tracemunch to guard against errors in its known_p1 table.
+ + add several --with-xxx-libname options, to help with pkgsrc (prompted
+ by discussion with Thomas Klausner).
+
+20200301
+ + modify wbkgd() and wbkgrnd() to avoid storing a null in the
+ background character, because it may be used in cases where the
+ corresponding 0x80 is not treated as a null (report by Marc Rechte,
+ cf: 20181208).
+
+20200229
+ + modify CF_NCURSES_CONFIG to work around xcode's c99 "-W" option,
+ which conflicts with conventional use for passing linker options.
+ > fixes for building with Visual Studio C++ and msys2 (patches by
+ "Maarten Anonymous"):
+ + check for pcre2posix.h instead of pcre2-posix.h
+ + add case in CF_SHARED_OPTS for msys2 + msvc
+ + add fallback definition for STDIN_FILENO in progs.priv.h
+ + modify win_driver.c to use _alloca() rather than gcc's variable
+ length array feature.
+ + add NCURSES_IMPEXP to ncurses wrapped-variable declarations
+ + remove NCURSES_IMPEXP from class variables in c++/cursslk.h
+ + remove fallback prototype for exit() from c++/etip.h.in
+ + use configured check for <sys/time.h> in a couple of places
+ + conditionally include winsock.h in ncurses/win32con/gettimeofday.c,
+ because Visual Studio needs this for the timestruct declaration.
+ + adjust syntax in a couple of files using the NCURSES_API symbol.
+
+20200222
+ + expanded note in ncurses.3x regarding automatically-included headers
+ + improve vt50h and vt52 based on DECScope manual -TD
+ + add/use vt52+keypad and vt52-basic -TD
+ + check/workaround for line-too-long in Ada95 generate utility when
+ building out-of-tree.
+ + improve/update HEADER_DEPS in */Makefile.in
+ + add "check" rule to include/Makefile, to demonstrate that the headers
+ include all of the required headers for the types used.
+
+20200215
+ + improve manual page for panel library, extending the portability
+ section as well as documenting error-returns.
+ + show tic's version when installing terminal database in run_tic.sh
+ + correct check for gcc vs other compilers used in ncurses 6.0, from
+ FreeBSD patch by Kyle Evans (cf: 20150725).
+ + add notes for 6.2 to INSTALL.
+
+20200212 6.2 release for upload to ftp.gnu.org
+ + update release notes
+ + minor build-fixes, mostly to test-package scripts
+
+20200208
+ + modify check for sizeof(wchar_t) to ensure it gives useful result
+ when cross-compiling.
+ + drop assumption in configure script that Cygwin's linker is broken.
+ + define NCURSES_BROKEN_LINKER if the broken-linker feature is used,
+ to simplify configure-checks for ncurses-examples.
+
+20200202
+ + reassert copyright on ncurses, per discussion in ncurses FAQ:
+ https://invisible-island.net/ncurses/ncurses.faq.html#relicensed
+
+20200201
+ + modify comparison in make_hash.c to correct a special case in
+ collision handling for Caps-hpux11
+ + add testing utility report_hashing to check hash-tables used for
+ terminfo and termcap names.
+ + fix a missing prototype for _nc_free_and_exit().
+ + update a few comments about tack 1.07
+ + use an awk script to split too-long pathnames used in Ada95 sample
+ programs for explain.txt
+
+20200118
+ + expanded description of XM in user_caps.5
+ + improve xm example for xterm+x11mouse, xterm+sm+1006 -TD
+ + add history section to curs_slk.3x and curs_terminfo.3x manpages.
+ + update alacritty entries for 0.4.0 (prompted by patch by
+ Christian Durr) -TD
+ + correct spelling errors found with codespell.
+ + fix for test/configure, from xterm #352.
+
+20200111
+ + improve configure macros which check for the X11/Intrinsic.h header,
+ to accommodate recent MacOS changes.
+ + suppress gcc's -Winline warning; it has not been useful for some time
+ + update config.guess, config.sub
+
+20200104
+ + modify a couple of macros in aclocal.m4 to allow autoconf 2.69 to
+ "work", to help illustrate discussion in
+ https://invisible-island.net/autoconf/my-autoconf.html
+ + fix some warnings from autoheader-252
+
+20191228
+ + in gen-pkgconfig.in, move the RPATH_LIST and PRIVATE_LIBS assignments
+ past the various prefix/libdir assignments, to allow for using those
+ symbols, e.g., as done via CF_SHARED_OPTS.
+ + improve ncurses*-config and pc-files by filtering out linker-specs.
+ + modify test-package to more closely match Fedora's configuration
+ for PIE/PIC feature and debug-packages.
+
+20191221
+ + correct pathname used in Ada95 sample programs for explain.txt, to
+ work with test-packages.
+ + improve tracemunch:
+ + keep track of TERMINAL* values
+ + if tracing was first turned on after initialization, attempt to
+ show distinct screen, window and terminal names anyway.
+ + ensure that GCC_NORETURN is defined in term.h, because the prototype
+ for exit_terminfo() uses it (report by Werner Fink).
+
+20191214
+ + add exit_curses() and exit_terminfo() to replace internal symbols for
+ leak-checking.
+
+20191207
+ + fix a few warnings for test-package builds
+ + add curses_trace(), to replace trace().
+
+20191130
+ + add portability section to curs_getcchar manpage (prompted by
+ discussion with Nick Black).
+ + improve portability discussion of ACS characters in curs_addch
+ manpage.
+ + improve typography for double-quotes in manpages.
+
+20191123
+ + fix typo for MinGW rpm test-package.
+ + workaround in rpm specs for NFS problems in Fedora 31.
+
+20191116
+ + modify ncurses/Makefile.in to fix a case where Debian/testing changes
+ to the ld --as-needed configuration broke ncurses-examples test
+ packages.
+ + drop library-dependency on psapi for MinGW port, since win_driver.c
+ defines PSAPI_VERSION to 2, making it use GetProcessImageFileName
+ from kernel32.dll (prompted by patch by Simon Sobish, cf: 20140503).
+