code: def __get_windows_path(self):
          
          if OS_SEP == '\\':
              return self
          else:
              entry = self.get()
              r = entry.get_path().replace(OS_SEP, '\\')
              return SCons.Subst.SpecialAttrWrapper(r, entry.name + "_windows")
docs: Return the path with \ as the path separator,
          regardless of platform.