Update previous document number.
N3786 Prohibiting "out of thin air" results in C++14.
N3776 Wording for ~future.
CWG1583 Incorrect example of unspecified behavior
CWG1575 Incorrect definition of "strict pointer safety"

Fixed typo in proposed wording: "stotate" should have been "storage".
CWG1648 thread_local vs block extern declarations
LWG2141 common_type trait produces reference types

I used the decay_t<T> form of decay instead of typename decay<T>::type.
LWG2246 unique_ptr assignment effects w.r.t. deleter
LWG2247 Type traits and std::nullptr_t
LWG2085 Wrong description of effect 1 of basic_istream::ignore
LWG2087 iostream_category() and noexcept
LWG2143 ios_base::xalloc should be thread-safe
LWG2150 Unclear specification of find_end
LWG2180 Exceptions from std::seed_seq operations
LWG2194 Impossible container requirements for adaptor types
LWG2013 Do library implementers have the freedom to add constexpr?
LWG2018 regex_traits::isctype Returns clause is wrong

I moved the note that the function protoype is exposition only to
its declaration.
LWG2078 Throw specification of async() incomplete
LWG2097 packaged_task constructors should be constrained
LWG2100 timed waiting functions cannot timeout if launch::async policy used