+20120505
+ + remove p6 (bold) from opus3n1+ for consistency -TD
+ + remove acs stuff from env230 per clues in Ingres termcap -TD
+ + modify env230 sgr/sgr0 to match other capabilities -TD
+ + modify smacs/rmacs in bq300-8 to match sgr/sgr0 -TD
+ + make sgr for dku7202 agree with other caps -TD
+ + make sgr for ibmpc agree with other caps -TD
+ + make sgr for tek4107 agree with other caps -TD
+ + make sgr for ndr9500 agree with other caps -TD
+ + make sgr for sco-ansi agree with other caps -TD
+ + make sgr for d410 agree with other caps -TD
+ + make sgr for d210 agree with other caps -TD
+ + make sgr for d470c, d470c-7b agree with other caps -TD
+ + remove redundant AC_DEFINE for NDEBUG versus Makefile definition.
+ + fix a back-link in _nc_delink_entry(), which is needed if ncurses is
+ configured with --enable-termcap and --disable-getcap.
+