Comment 9 for bug 28757

That would be

2006-01-22 Elijah Newren <newren gmail com>

 * libwnck/tasklist.c (wnck_task_state_changed): when we get a
 demands-attention/urgent state change and the window doesn't have
 a button in the tasklist, see if one of its ancestors does. Fixes
 #317541.

which would fix Maurizio's issue, but not Mark's request... hm.