Make curl follow redirections.

doc/draft/update

@@ -5,14 +5,14 @@ then
 	fetch=fetch
 elif type curl >/dev/null 2>&1
 then
-	fetch="curl -O"
+	fetch="curl -L -O"
 else
 	exit 1
 fi
 
 for i
 do
-	z=`expr "$i" : 'http://www.ietf.org/internet-drafts/\(.*\)'`
+	z=`expr "$i" : 'http://www.ietf.org/id/\(.*\)'`
 	if test -n "$z"
 	then
 		i="$z"