Control errors usually mean badly formed control 
structures and should be caught at the time an 
object is defined.

I don't want to have to provide a result of 123
for the following verb:

   3 : 0 ''
try.
 if. end.
catch.
 123
end.
)
|control error
|   [1] if. end.
|       3 :0''



----- Original Message -----
From: bill lam <[EMAIL PROTECTED]>
Date: Monday, August 14, 2006 8:55 am
Subject: Re: [Jbeta] cannot catch error within try block

> Roger Hui wrote:
> > 0 -: notexist_base_  is an error in J5.04, but is a
> > verb in J6.01 and not an error to be caught.
> > 
> 
> Does it mean that try block cannot catch "control error"? What is 
> the rationale,
> or is it technically difficult to implement?


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