> the particular reason here is that there is no one-to-one relationship
> between windows and systray icons. nor should there need to be. the app
> should be able to create as many or as few as it wants, regardless of how
> many windows it's showing.

Methinks that ideally, one should be able to write a "plain old C" application 
that shows itself in the systray, assuming that C bindings to whatever IPC is 
being used are available. And that application ideally should not depend on X 
libraries.

Cheers, Kuba Ober