If it's just a few minutes, then perhaps that's ok, but I think encouraging people to edit offline or use the preview button is a better solution.

Bring back the preview button!

Please carefully check your URL is working properly by using the preview button before you send your reply.

P.S. I wish that there was a preview button for posting articles.

Roll over a movie or TV show, and a little preview button appears.

This gives you a GUI with all of the formatting options as well a preview button.

If you have something to say first hit the preview button, review what you're about to post, then consider if it's appropriate for the forum.

Cif is functioning well for me, with the preview button available,etc.

Before you send your reply, please carefully check if the URL's work properly by using the preview button.