+20201031
+ + modify MKterm.h.in so that it is not necessary to include <curses.h>
+ before <term.h> (prompted by discussion with Reuben Thomas).
+ + review/improve synopsis for curs_sp_funcs.3x (prompted by discussion
+ with Reuben Thomas).
+ + improve format of output in tic's check_infotocap() function, to
+ ensure that the messages contain only printable text.
+ + modify configure-check for clang to verify that -Qunused-arguments
+ is supported. IBM's xlclang does not support it (report by Steven
+ Pitman).
+