+20210904
+ + modify linux3.0 entry to reflect default mapping of shift-tab by
+ kbd 1.14 (report by Jan Engelhardt) -TD
+ + add historical note to tput, curses-terminfo and curses-color
+ manpages based on source-code for SVr2, SVr3 and SVr4.
+ + minor grammatical fixes for "it's" vs "its" (report by Nick Black).
+ + amend fix for --disable-root-environ (report by Arnav Singh).
+ + build-fix for compiling link_test
+ + drop symbols GCC_PRINTF and GCC_SCANF from curses.h.in, to simplify
+ use (Debian #993179).
+
+20210828
+ + correct reversed check for --disable-root-environ (report/analysis
+ by Arnav Singh, cf: 20210626).
+ + apply gcc format attribute to prototypes which use a va_list
+ parameter rather than a "..." variable-length parameter list
+ (prompted by discussion in a tmux pull-request).
+ + modify configure scripts to filter out redefinitions of _XOPEN_SOURCE,
+ e.g., for NetBSD which generally supports 500, but 600 is needed for
+ ncursesw.
+ + improve documentation for tparm and static/dynamic variables.
+ + improve typography in terminfo.5 (patch by Branden Robinson).
+
+20210821
+ + improve tparm implementation of %P and %g, more closely matching
+ SVr4 terminfo.
+ + move internals of TERMINAL structure to new header term.priv.h
+ + add "check" rule for ncurses/Makefile
+ + corrected tsl capability for terminator -TD
+ + add check in tic to report instances where tparm would detect an
+ error in an expression (cf: 20201010).
+ + correct a few places where SP->_pair_limit was used rather than
+ SP->_pair_alloc (cf: 20170812).
+ + fix missing "%d" for setaf/setab code 8-15 in xterm+direct16 (report
+ by Florian Weimer) -TD
+ + fix some documentation errata from OpenBSD changes.
+ + update config.sub
+
+20210814
+ + add workaround for broken pcre2 package in Debian 10, from xterm #369.
+
+20210807
+ + ignore "--dynamic-linker" option in generated pkg/config files,
+ adapted from "distr1" patch.
+ + add CF_SHARED_OPTS case for Haiku, from patch in haikuports.
+
+20210731
+ + add extensions in xterm+tmux and ecma+strikeout to ms-terminal,
+ but cancel the non-working Cr and Ms capabilities -TD
+ + add foot and foot-direct -TD
+
+20210724
+ + add workaround for Windows Terminal's problems with CR/LF mapping to
+ ms-terminal (patch by Juergen Pfeifer).
+ + review/update current Windows Terminal vs ms-terminal -TD
+
+20210718
+ + correct typo in "vip" comments (report by Nick Black), reviewed this
+ against Glink manual -TD
+ + fill in some missing pieces for pccons, to make it comparable to the
+ vt220 entry -TD
+ + modify mk-1st.awk to account for extra-suffix configure option
+ (report by Juergen Pfeifer).
+ + change default for --disable-wattr-macros option to help packagers
+ who reuse wide ncursesw header file with non-wide ncurses library.
+ + build-fix for test/test_opaque.c, for configurations without opaque
+ curses structs.
+
+20210710
+ + improve history section for tset manpage based on the 1BSD tarball,
+ which preceded BSD's SCCS checkins by more than three years.
+ + improve CF_XOPEN_CURSES macro used in test/configure (report by Urs
+ Jansen).
+ + further improvement of libtool configuration, adding a dependency of
+ the install.tic rule, etc., on the library in the build-tree.
+ + update config.sub
+
+20210703
+ + amend libtool configuration to add dependency for install.tic, etc.,
+ in ncurses/Makefile on the lower-level libraries.
+ + modify configure script to support ".PHONY" make program feature.
+
+20210626
+ + add configure option --disable-root-access, which tells ncurses to
+ disallow most file-opens by setuid processes.
+ + use default colors in pccon "op" -TD
+ + correct rmacs/smacs in aaa+dec, aaa+rv -TD
+ + add hpterm-color2 and hp98550-color (Martin Trusler)
+ + regenerate man-html documentation.
+
+20210619
+ + improve configure-macro used for dependencies of --disable-leaks such
+ as --with-valgrind
+ + trim trailing blanks from files
+