> > I am trying to use MailMessage>>format, and am getting the 
> error below.
> > I don't understand why the receiver here is 
> AnObsoleteHtmlParser class.
> > I installed the Scamper package from SqueakMap; the HtmlParser class
> > exists in the image.  I can execute "HtmlParser parse: 
> aMimeDocument" in
> > a doIt, with no problem.
> 
> Try recompiling #format (put a space in it and accept, or something).
> I've seen this before where when you unload a class, and then 
> reload it,
> existing references don't get reconnected.
> 


That did the trick.  Thanks Avi!