What is the behavior of #outer if there is no outer handler.  Execute
#defaultAction?  But this usually resumes from the signal.

John Brant <brant at refactory.com> wrote:
> #outer and #pass are different according to the ANSI standard. When an
> exception is resumed from an outer, the resumption occurs at the #outer
> message send, not the original #signal. For example, consider
> 
> outer : 
> 	[Notification signal. 4] 
> 		on: Notification 
> 		do: [:ex | ex outer. ex return: 5]
> 
> pass :
> 	[Notification signal. 4] 
> 		on: Notification 
> 		do: [:ex | ex pass. ex return: 5]
> 
> In the first example, the resume occurs for the "ex outer" statement so the
> "ex return: 5" is executed and the overall expression returns 5 (according
> to ANSI). However, in the second, the resume occurs for the "Notification
> signal" and "4" is returned. If the exception isn't resumable, then they
> should behave the same.


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