LWG2317 The type property queries should be UnaryTypeTraits returning size_t
LWG2320 select_on_container_copy_construction() takes allocators, not containers
LWG2323 vector::resize(n, t)'s specification should be simplified
LWG2324 Insert iterator constructors should use addressof()
LWG2330 regex("meow", regex::icase) is technically forbidden but should be permitted