Don't html-encode the grp_list index value.

web/templates/default/msgs/groups.inc

@@ -6,7 +6,7 @@
 <<REPEAT groups>>
 <tr>
 	<td class="grouplist"><a class="grouplist" href="subs.ssjs?msg_grp=^^groups:name^^">%%groups:description%%</a></td>
-    <td class="grouplist" align=right>@@JS:msg_area.grp['^^groups:name^^'].sub_list.length@@</td>
+    <td class="grouplist" align=right>@@JS:msg_area.grp['@@groups:name@@'].sub_list.length@@</td>
 </tr>
 <<END REPEAT groups>>
 </table>