Allows safe conversions in unique_ptr<T[]>. In [unique.ptr.runtime.modifiers] the paper removed text that was not present; only the insertion of a default argument was applied in the first paragraph..
Other papers in Containers & iterators (C++17)
N4279Improved insertion interface for unique-key mapsUrbana 2014N4280Non-member size() and moreUrbana 2014N4284Contiguous IteratorsUrbana 2014N4510Minimal incomplete type support for standard containers, revision 4Lenexa 2015P0031R0Proposal to add
constexpr modifiers to reverse_iterator, move_iterator, array and range accessJacksonville 2016P0033R1Re-enabling shared_from_thisJacksonville 2016All 16 papers in Containers & iterators (C++17) →