+20170923
+ + modify menu for test/ncurses.c to fit on 24-line screen.
+ + build-fix for configure --with-caps=uwin
+ + add options to test_arrays.c, for selecting termcap vs terminfo, etc.
+
+20170916
+ + minor fix to test/filter.c to avoid clearing the command in one case.
+ + modify filter() to discard clr_eos if back_color_erase is set.
+