[boost] [type_traits] Should namespace boost::align be namespace boost::detail::align?

I was working on a tiny library, Boost.Align, which would provide (among other things) a boost::align (that would be std::align if BOOST_NO_CXX11_STD_ALIGN is not defined, or a reasonably non-portable implementation otherwise) and found that type_with_alignment.hpp uses the identifier 'align' for a namespace within namespace 'boost'. Was this namespace intended to not be within boost::detail? If it can be, I'll send a pull request; if not, I'll choose a different identifier over 'align'. Glen