RE: [sv-bc] Function cannot return Unpack Array but can return unpack typedef

This is the topic of Mantis item 82, which notes
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The BNF does not accept

     function int foo [8] (...) ;

but it does accept

     typedef int T [8] ;
     function T foo (input int x [8] , ... ) ;

This is inconsistent with the rest of the language.
It shouldn't be necessary to use a typedef here. 
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