Am 14.11.2005 um 16:13 schrieb Bob.Cowdery at CGI-Europe.com:
> x := SequenceableCollection new, then try to print x. Lock-up +  
> 100% CPU. The only response is from the main window, quit without  
> saving then kill squeak as it's still running.
As others pointed out, Alt-. would have interrupted that "endless"  
loop quite nicely.

SequenceableCollection is an abstract class and thus is not meant for  
direct instantiation. Which is not a problem at all because you would  
find out very soon if you try to use it. Which in fact you did ;-)

- Bert -