Merge 3.5 (Issue #24669)

diff --cc Misc/NEWS
index 960798ee24865228e3a6a34b7d6b54cd6b72c809,279cf5c4638ce2aadb06cbf903b4c1bbb8872d52..bd2e07e5346ff9d0a93ff3b9b45182053dedb8e1
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -61,10 -45,10 +61,12 @@@ Librar
  - Issue #15014: SMTP.auth() and SMTP.login() now support RFC 4954's optional
    initial-response argument to the SMTP AUTH command.
  
 +- Issue #6549: Remove hyphen from ttk.Style().element options.  Only return result
 +  from ttk.Style().configure if a result was generated or a query submitted.
 +
+ - Issue #24669: Fix inspect.getsource() for 'async def' functions.
+   Patch by Kai Groner.
  
 -
  What's New in Python 3.5.0 beta 3?
  ==================================