Proposed resolution:

This wording is relative to N3485.

1. Edit [unique.ptr.single.asgn] paragraph 2:

   unique_ptr& operator=(unique_ptr&& u) noexcept;
   

   […]

   -2- Effects: Transfers ownership from u to *this as if by calling reset(u.release()) followed by an assignment fromget_deleter() = std::forward<D>(u.get_deleter()).

2. Edit [unique.ptr.single.asgn] paragraph 6:

   template <class U, class E> unique_ptr& operator=(unique_ptr<U, E>&& u) noexcept;
   

   […]

   -6- Effects: Transfers ownership from u to *this as if by calling reset(u.release()) followed by an assignment fromget_deleter() = std::forward<E>(u.get_deleter()).

[ 2013-09-29, Chicago ]

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[ 2013-04-20, Bristol ]

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The Effects clauses for unique_ptr assignment don't make sense, what is the target of "an assignment from std::forward<D>(u.get_deleter())"?

Obviously it's intended to be the deleter, but that isn't stated clearly.