Issue #4489: Rename the feature marker for the symlink resistant rmtree and store it as a function attribute
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 25a0ece..e97ac86 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1296,6 +1296,11 @@
acts on the symlink itself (or creates one, if relevant).
(Contributed by Hynek Schlawack in :issue:`12715`.)
+* :func:`~shutil.rmtree` is now resistant to symlink attacks on platforms
+ which support the new ``dir_fd`` parameter in :func:`os.open` and
+ :func:`os.unlinkat`. (Contributed by Martin von Löwis and Hynek Schlawack
+ in :issue:`4489`.)
+
signal