So this is also happening on our 2.0.19 install, clearly the :' part is stripped by something, and while as suggested, changing the shortcode will work for new entries, how do we easily fix the old ones without editing all the old posts?
Topic split as it is not the same as the original post in the topic you posted in. In addition, that was a solved topic so it's better to post a new topic with your problem. :)