Backported PyCapsule from 3.1, and converted most uses of
CObject to PyCapsule.
diff --git a/Misc/NEWS b/Misc/NEWS
index bebf2b7..d834e10 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -138,6 +138,12 @@
 
 - Issue #7705: Fix linking on FreeBSD.
 
+C-API
+-----
+
+- Issue #7992: A replacement PyCObject API, PyCapsule, has been backported
+  from Python 3.1.
+
 Tests
 -----