#14835: Make plistlib output empty arrays & dicts like OS X

Patch by Sidney San Martín.
diff --git a/Misc/NEWS b/Misc/NEWS
index 10f05d8..0d36966 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Issue #14835: Make plistlib output empty arrays & dicts like OS X.
+  Patch by Sidney San Martín.
+
 - Issue #14930: Make memoryview objects weakrefable.
 
 - Issue #14775: Fix a potential quadratic dict build-up due to the garbage