Issue #21697: shutil.copytree() now correctly handles symbolic links that point to...

Patch by Eduardo Seabra and Thomas Kluyver.

diff --cc Lib/shutil.py
Simple merge

diff --cc Lib/test/test_shutil.py
Simple merge

diff --cc Misc/NEWS
index 508572a5ffeb67156376198da8741cfbb3710307,a347b940bb2d12e360a98655e1e8fab0ec5a8f65..b270ebf1b432b5617ea47d9e5f8ce4c596f1d119
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -28,26 -66,19 +28,29 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #21697: shutil.copytree() now correctly handles symbolic links that
+   point to directories.  Patch by Eduardo Seabra and Thomas Kluyver.
+ 
 +- Issue #14373: Fixed segmentation fault when gc.collect() is called during
 +  constructing lru_cache (C implementation).
 +
 +- Issue #24695: Fix a regression in traceback.print_exception().  If
 +  exc_traceback is None we shouldn't print a traceback header like described
 +  in the documentation.
 +
  - Issue #24620: Random.setstate() now validates the value of state last element.
  
 +- Issue #22485: Fixed an issue that caused `inspect.getsource` to return incorrect
 +  results on nested functions.
 +
  - Issue #22153: Improve unittest docs. Patch from Martin Panter and evilzero.
  
 -- Issue #24206: Fixed __eq__ and __ne__ methods of inspect classes.
 +- Issue #24580: Symbolic group references to open group in re patterns now are
 +  explicitly forbidden as well as numeric group references.
  
 -- Issue #21750: mock_open.read_data can now be read from each instance, as it
 -  could in Python 3.3.
 +- Issue #24206: Fixed __eq__ and __ne__ methods of inspect classes.
  
 -- Issue #23247: Fix a crash in the StreamWriter.reset() of CJK codecs.
 +- Issue #24631: Fixed regression in the timeit module with multiline setup.
  
  - Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
    Patch from Nicola Palumbo and Laurent De Buyst.