I received a note today from a user of my Graceful Sidebar Plugin. He mentioned that his theme worked perfectly without the plugin in use. However, when he activated the plugin and displayed a custom sidebar for a specific page, the footer of his theme displayed incorrectly. It turns out that I had some funky logic in the plugin which cased wordpress to display an extra closing DIV tag. I’ve fixed the code and submitted the update which is available at WordPress.org.