Issue #18878: sunau.open now supports the context manager protocol. Based on
patches by Claudiu Popa and R. David Murray.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index c626abd..94fd8b4 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -374,6 +374,8 @@
The :meth:`~sunau.getparams` method now returns a namedtuple rather than a
plain tuple. (Contributed by Claudiu Popa in :issue:`18901`.)
+:meth:`sunau.open` now supports the context manager protocol (:issue:`18878`).
+
urllib
------