There are missing closing tags <verbatim></blockquote> </div> for the form on page <i>setup_login_group</i>. The following patch should fix it:

<verbatim>
--- setup.orig	2012-11-25 11:37:53.000000000 +0100
+++ setup.c	2012-11-25 16:46:03.000000000 +0100
@@ -1047,7 +1047,7 @@
     @
     @ <tr><td colspan="3" align="center">
     @ <input type="submit" value="Join"
-    @ </table>
+    @
   }else{
     Stmt q;
     int n = 0;
</verbatim>