+20151017
+ + modify ncurses/Makefile.in to sort keys.list in POSIX locale
+ (Debian #801864, patch by Esa Peuha).
+ + remove an early-return from _nc_do_color, which can interfere with
+ data needed by bkgd when ncurses is configured with extended colors
+ (patch by Denis Tikhomirov).
+ > fixes for OS/2 (patches by KO Myung-Hun)
+ + use button instead of kbuf[0] in EMX-specific part of lib_mouse.c
+ + support building with libtool on OS/2
+ + use stdc++ on OS/2 kLIBC
+ + clear cf_XOPEN_SOURCE on OS/2
+
+20151010
+ + add configure check for openpty to test/configure script, for ditto.
+ + minor fixes to test/view.c in investigating Debian #790847.
+ + update autoconf patch to 2.52.20150926, incorporates a fix for Cdk.
+ + add workaround for breakage of POSIX makefiles by recent binutils
+ change.
+ + improve check for working poll() by using posix_openpt() as a
+ fallback in case there is no valid terminal on the standard input
+ (prompted by discussion on bug-ncurses mailing list, Debian #676461).
+
+20150926
+ + change makefile rule for removing resulting.map to distclean rather
+ than clean.
+ + add /lib/terminfo to terminfo-dirs in ".deb" test-package.
+ + add note on portability of resizeterm and wresize to manual pages.
+
+20150919
+ + clarify in resizeterm.3x how KEY_RESIZE is pushed onto the input
+ stream.
+ + clarify in curs_getch.3x that the keypad mode affects ability to
+ read KEY_MOUSE codes, but does not affect KEY_RESIZE.
+ + add overlooked build-fix needed with Cygwin for separate Ada95
+ configure script, cf: 20150606 (report by Nicolas Boulenguez)
+