Good catch, thank you.<p>To anyone who wants to play around with lisp, I recommend downloading the emacs text editor. Just open it, navigate around with the arrow keys. Type an s-expression, and place the point after the &quot;)&quot;. Then type Ctrl-x Ctrl-e, and the expression will be sent thru read -&gt; eval -&gt; apply. Fun to just play around with.<p>(+ 1 2)_ ;; _ means the cursor, &quot;;&quot; means a comment