+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.
+