+20171021
+ + modify test/view.c to expand tabs using the ncurses library rather
+ than in the test-program.
+ + remove very old SIGWINCH example in test/view.c, just use KEY_RESIZE.
+ + add -T, -e, -f -m options to "dots" test-programs.
+ + fix a few typos in usage-messages for test-programs.
+