Enable an embedded perl interpreter. See the B<@@RXVT_NAME@@perl(3)>
manpage (F<doc/rxvtperl.txt>) for more info on this feature, or the
-files in F<src/perl-ext/> for the extensions that are installed by
+files in F<src/perl/> for the extensions that are installed by
default. The perl interpreter that is used can be specified via the
C<PERL> environment variable when running configure. Even when compiled
in, perl will I<not> be initialised when all extensions have been disabled