+// plugins can operate normally here (don't output anything, of course!),
+// but can also return TRUE if they want to enable the MOTD display
+// even when SM's MOTD is empty (there is plugin output that can
+// be then hooked into in motd.tpl)
+//
+$show_motd = boolean_hook_function('right_main_after_header', $null, 1);