forked from boostorg/config
because <cwchar> does not have using-declarations to put the contents of <wchar.h> into namespace std, in contrast to <cstdio>, which does. [SVN r8945]
because <cwchar> does not have using-declarations to put the contents of <wchar.h> into namespace std, in contrast to <cstdio>, which does. [SVN r8945]