>>
>>
>
> That particular patch abstracts away SyntaxError, which despite its  
> name is not an exception but a (rather ugly) subclass of  
> StringHolder which is used in a fairly weird interaction with  
> SyntaxErrorNotification (being the actual exception being raised).  
> Because SyntaxError works directly with Debugger it is necessary to  
> remove the references to it if you want to unload the tools package  
> cleanly. Finally, a SyntaxError is actually being created when no  
> requestor is given and much of the code in parser which deals with  
> that looks like "requestor notNil and:[ (requestor isKindOf:  
> SyntaxError) not]". It's just very ugly code.

yeap!