+20120721
+ + improved form_request_by_name() and menu_request_by_name().
+ + eliminate two fixed-size buffers in toe.c
+ + extend use_tioctl() to have expected behavior when use_env(FALSE) and
+ use_tioctl(TRUE) are called.
+ + modify ncurses test-program, adding -E and -T options to demonstrate
+ use_env() versus use_tioctl().
+