Ticket #13605: listdir.diff

docs/ref/files/storage.txt

@@ -13 +13 @@
 ``open()``. For storage systems that aren't accessible from the local
 filesystem, this will raise ``NotImplementedError`` instead.
 
+``Storage.listdir(self, path)``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Lists the contents of the specified path, returning a 2-tuple of lists;
+the first item being directories, the second item being files.
+
 ``Storage.accessed_time(name)``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~