if the function is a generator. See :ref:`inspect-module-co-flags` for details
on the semantics of each flags that might be present.
-Future feature declarations (``from __future__ import division``) also use bits
+Future feature declarations (for example, ``from __future__ import division``) also use bits
in :attr:`~codeobject.co_flags` to indicate whether a code object was compiled with a
-particular feature enabled: bit ``0x2000`` is set if the function was compiled
-with future division enabled; bits ``0x10`` and ``0x1000`` were used in earlier
-versions of Python.
+particular feature enabled. See :attr:`~__future__._Feature.compiler_flag`.
Other bits in :attr:`~codeobject.co_flags` are reserved for internal use.