Add news item about Unicode API name mangling.
diff --git a/Misc/NEWS b/Misc/NEWS
index ac32e43..51b211d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -19,6 +19,13 @@
apply bounds checking on the used buffer which enhances protection
against buffer overruns.
+- Unicode APIs now use name mangling to assure that mixing interpreters
+ and extensions using different Unicode widths is rendered next to
+ impossible. Trying to import an incompatible Unicode-aware extension
+ will result in an ImportError. Unicode extensions writers must make
+ sure to check the Unicode width compatibility in their extensions by
+ using at least one of the mangled Unicode APIs in the extension.
+
Library
- New function xml.sax.saxutils.quoteattr(): Quote an XML attribute