+20190504
+ + improve workaround for Solaris wcwidth versus line-drawing characters
+ (report by Pavel Stehule).
+ + add special case in tic to validate RGB string-capability extension.
+ + corrected string/parameter-field for RGB in Caps-ncurses.
+
+20190427
+ + corrected problem in terminfo load/realignment which prevented
+ infocmp from comparing extended capabilities with the same name
+ but different types.
+