README-sig.xml: README.html
	./h6n.pl -sign -full -uri http://dev.w3.org/2007/h6n/README.html \
		-cert file:cert.pem -priv file:key.pem \
		-rep http://dev.w3.org/2007/h6n/README.html file:README.html \
		> README-sig.xml