PEP 538: Update for status changes

- reference implementation should align with the PEP now, aside from
  excluding Mac OS X from the changes
- Fedora's initial 3.6 release is going to be 3.6.1, so reword the
  backport section accordingly

pep-0538.txt

@@ -802,20 +802,23 @@ The reference implementation is being developed in the
 ``pep538-coerce-c-locale`` feature branch [18_] in Nick Coghlan's fork of the
 CPython repository on GitHub. A work-in-progress PR is available at [20_].
 
-NOTE: As discussed in issue 28180 [1_], the currently posted reference
-implementation has some known issues on Android. It is also missing the
-``configure.ac`` adjustments to ensure that ``PY_COERCE_C_LOCALE`` and
+This reference implementation covers not only the enhancement request in
+issue 28180 [1_], but also the Android compatibility fixes needed to resolve
+issue 28997 [16_].
+
+NOTE: The reference implementation is currently missing the ``configure.ac``
+checks that are needed to ensure that ``PY_COERCE_C_LOCALE`` and
 ``PY_WARN_ON_C_LOCALE`` are always undefined on Mac OS X.
 
 
 Backporting to earlier Python 3 releases
 ========================================
 
-Backporting to Python 3.6.0
+Backporting to Python 3.6.x
 ---------------------------
 
 If this PEP is accepted for Python 3.7, redistributors backporting the change
-specifically to their initial Python 3.6.0 release will be both allowed and
+specifically to their initial Python 3.6.x release will be both allowed and
 encouraged. However, such backports should only be undertaken either in
 conjunction with the changes needed to also provide a suitable locale by
 default, or else specifically for platforms where such a locale is already