[racket] bitmap% with a file path that's deleted?

At Thu, 26 Aug 2010 11:21:17 -0400, Danny Yoo wrote:
> On Thu, Aug 26, 2010 at 11:20 AM, Robby Findler
> <robby at eecs.northwestern.edu> wrote:
> > I believe the creation of a bitmap% reads in file data, but bitmap%s
> > are not snips. Is there something else going on?
> 
> I'm sorry; I mean to say image-snips%.

An `image-snip%' may remember the filename, but as long as the
`inline?' argument to the constructor or `load-file' method is #t
(which is the deafult), then the file isn't needed after it is loaded.