+ improve tparm implementation of %P and %g, more closely matching
SVr4 terminfo.
+ move internals of TERMINAL structure to new header term.priv.h
+ add "check" rule for ncurses/Makefile
+ corrected tsl capability for terminator -TD
+ add check in tic to report instances where tparm would detect an
error in an expression (cf:
20201010).
+ correct a few places where SP->_pair_limit was used rather than
SP->_pair_alloc (cf:
20170812).
+ fix missing "%d" for setaf/setab code 8-15 in xterm+direct16 (report
by Florian Weimer) -TD
+ fix some documentation errata from OpenBSD changes.
+ update config.sub