It seems there is a typo in the table «Table 53: Reference modifications «.
 
There is written
 
«If T names a referenceable type then the member typedef type names T&&; otherwise, type names T.»
 
Instead should it be
 
«If T names a referenceable type then the member typedef type names T; otherwise, type names T&&.»?
 
With best regards,
(Vlad from Moscow)
 
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