More info about PEP 393 in whatsnew and NEWS

Doc/whatsnew/3.3.rst

@@ -49,14 +49,15 @@
 This article explains the new features in Python 3.3, compared to 3.2.
 
 
-PEP XXX: Stub
-=============
-
-
 PEP 393: Flexible String Representation
 =======================================
 
-XXX Give a short introduction about :pep:`393`.
+[Abstract copied from the PEP: The Unicode string type is changed to support
+multiple internal representations, depending on the character with the largest
+Unicode ordinal (1, 2, or 4 bytes).  This allows a space-efficient
+representation in common cases, but gives access to full UCS-4 on all systems.
+For compatibility with existing APIs, several representations may exist in
+parallel; over time, this compatibility should be phased out.]
 
 PEP 393 is fully backward compatible. The legacy API should remain
 available at least five years. Applications using the legacy API will not

Misc/NEWS

@@ -1261,6 +1261,8 @@ Library
 Build
 -----
 
+- PEP 393: the configure option --with-wide-unicode is removed.
+
 - Issue #12852: Set _XOPEN_SOURCE to 700, instead of 600, to get POSIX 2008
   functions on OpenBSD (e.g. fdopendir).