-Many of the extras can be --enabled/--disabled during configure
-now. The --disable-extras option was removed. To check the
-current options, the usual './configure --help' prints them.
+Many of the extras can be --enable/--disabled at ./configure
+time. The --disable-extras option was removed. Some extras have
+been disabled by default. The current options and their defaults
+can be checked with './configure --help'.