+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>
+