I'm setting up SSO, and it's great that the `referer` value will get added to the URL I provide for our login page.  The problem is that our login page redirects to another service for setting the Lithium cookie, but it doesn't pass on the referer parameter. So my hope is that in the login URL, I could "encode" the referer value into the `returnurl` parameter that our login system uses. Currently I have a login url that looks like this: https://foo.com/login?returnurl=https://bar.com/community-user-redirect what I would really like to do is this: https://foo.com/login?returnurl=https://bar.com/community-user-redirect%3F%0Areferer={referer} and at runtime, when my user is on page "A", the {referer} part would be replaced with "A".  Then, after the user hits submit on the login page, it would redirect to: https://bar.com/community-user-redirect?referer=A Is there anything like that possible? Thanks!   ... View more