+ modify makefile rules to allow clear, tput and tset to be built
without libtic. The other programs (infocmp, tic and toe) rely on
that library.
+ add/modify null-pointer checks in several functions for SP and/or
the WINDOW* parameter (report by Thorben Krueger).
+ fixes for field_buffer() in formw library (see Redhat Bugzilla
#310071, patches by Miroslav Lichvar).
+ improve performance of NCURSES_CHAR_EQ code (patch by Miroslav
Lichvar).
+ update/improve mlterm and rxvt terminfo entries, e.g., for
the modified cursor- and keypad-keys -TD