It doesn’t sadly. I didn’t know that would work as a link either interestingly.
As far as I understand it, I need to create a page within the Blog folder called ?post_id=21 , (then on that page have Redirect) which it isn’t going to allow me to do with that question mark there.
Hi,
Just for those reading this post in a similar position I received a very useful and detailed reply in the RW forum on the different kinds of htaccess redirects.