Table related tags are forbidden but since you "manage" the thread, you must first post your post without the table tags but with the linebreak tag at the end of each line (uncheck "Automatic Linebreaks"), submit, then edit the post to add the table tags. That's how I did it on the "Notre Dame des Doms Provençal Carols" and the "Voice of the People" threads. I don't know about other forbidden tags.