window query
window query <nick>[,<nick>]

When provided without an argument, your window's target list is cleared. This removes the window's query.

When provided with an argument, the argument is a comma-separated list of targets and they are added to the window's target list in left to right order. The final nickname in the list will be your new query.

This differs from old behavior. Before EPIC5-0.0.2, setting a new query would clear the old query, which is a bummer because messages to and from the old query nickname woudl stop going to the window. Now each window keeps track of all of its old queries in much the same way as windows keep track of all their channels.