+20201024
+ + provide workaround configure-check for bool when cross-compiling.
+ + fix a potential indexing error in _nc_parse_entry(), seen with
+ Herlim's test data using address-sanitizer.
+ + change a null-pointer check in set_curterm to a valid-string check,
+ needed in to tic's use-resolution work pad_char is cancelled
+ (report/testcase by Robert Sebastian Herlim)
+ + improve tic's -c option to validate the number and type of parameters
+ and compare against expected number/type before deciding which set of
+ parameter-lists to use in tparm calls (report/testcase by Robert
+ Sebastian Herlim).
+ + fix a link for tabs.1 manpage in announce.html.in (report by Nick
+ Black), as well as some fixes via linklint.
+