+20190511
+ + fix a spurious blank line seen with "infocmp -1fx xterm+x11mouse"
+ + add checks in repair_subwindows() to keep the current position and
+ scroll-margins inside the resized subwindow.
+ + add a limit check in newline_forces_scroll() for the case where the
+ row is inside scroll-margins, but not at the end (report by Toshio
+ Kuratomi, cf: 20170729).
+ + corrected a warning message in tic for extended capabilities versus
+ number of parameters.
+