Document new options and substitutions.

diff --git a/NEWS b/NEWS
index b2e7978d3b5369c87188121f41c634cccc251b29..3016302d8ef8d4eb969a3eb7f79cd10cf2128a7d 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,11 @@ Major changes in release 1.8:
   install.sh is distributed with Autoconf.
 * AC_OUTPUT adds its comments in C format when substituting in C files.
 * Relative srcdir values are not made absolute.
-* configure accepts --help, --version, --silent/--quiet options.
+* The values of @prefix@ and @exec_prefix@ get substituted.
+* configure accepts --help, --version, --silent/--quiet, --enable-FEATURE[=VAL]
+  options.
+* configure silently accepts all other Cygnus configure options, and
+  warns about unknown options.
 * config.status accepts --help, --version options.
 * Autoconf library files are installed in ${datadir}/autoconf, not ${datadir}.
 * autoheader optionally copies config.h.top to the beginning of config.h.in.