+20180922
+ + ignore interrupted system-call in test/ncurses's command-line, e.g.,
+ if the terminal were resized.
+ + add shift/control/alt logic for decoding xterm's 1006 mode (Redhat
+ #1610681, cf: 20141011).
+ + modify rpm test-packages to not use --disable-relink with Redhat,
+ since Fedora 28's tools do not work with that feature.
+