[plt-scheme] Q. about editor<%> internal-locks

At Wed, 7 Oct 2009 12:58:31 -0700, John Clements wrote:
> On Oct 7, 2009, at 12:31 PM, Robby Findler wrote:
> 
> > Are you accessing the editor from more than one thread?
> 
> No.  In particular, the only references to this editor are
> 
> 1) it's embedded in a canvas which is part of a visible pane, and
> 2) There's an "update" method that is called by only one thread.

So the "one thread" in #2 is the same as the canvas's eventspace's
handler thread?