Issue #6233: ElementTree failed converting unicode characters to XML
entities when they could't be represented in the requested output
encoding.  Patch by Jerry Chen.
diff --git a/Misc/NEWS b/Misc/NEWS
index 124ea0f..9d2b7cf 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -242,6 +242,10 @@
 Library
 -------
 
+- Issue #6233: ElementTree failed converting unicode characters to XML
+  entities when they could't be represented in the requested output
+  encoding.  Patch by Jerry Chen.
+
 - Issue #6003: add an argument to ``zipfile.Zipfile.writestr`` to
   specify the compression type.