+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).
+