BOOST_NO_STD_LOCALE & BOOST_NO_STD_WSTREAMBUF

From: Robert Ramey (ramey_at_[hidden])
Date: 2023-04-27 22:13:13

in boost/config/detail/suffix.hpp

I find this bit of code:

//
// We can't have a working std::wstreambuf if there is no std::locale:
//
#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF)
#     define BOOST_NO_STD_WSTREAMBUF
#  endif

and believe it or not. this is now causing me some issues.  Is the 
statement above true? Do we know that wide char streams cannot exist 
without std::locale being present?  Can anyone shed light on this?

Robert Ramey