+ remove a spurious newline from output of html.m4, which caused links
for Ada95 html to be incorrect for the files generated using m4.
+ start investigating mutex's for SCREEN manipulation (incomplete).
+ minor cleanup of codes.c/names.c for --enable-const
+ expand/revise "Routine and Argument Names" section of ncurses manpage
to address report by David Givens in newsgroup discussion.
+ fix interaction between --without-progs/--with-termcap configure
options (report by Michail Vidiassov).
+ fix typo in "--disable-relink" option (report by Michail Vidiassov).