Merge with 3.4

diff --cc Misc/NEWS
index fa36c6b8a5747a39c50a76ff0e18abfec4aa1ec3,b2dc7c9bcea45a5d0fff6d29b5fa78f4c41fb813..2db6da096c856f38a0ba4d0db7ab10fd1aea4b7a
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -113,6 -27,9 +113,9 @@@ Core and Builtin
  Library
  -------
  
 -  
+ - Issue #17172: Make turtledemo start as active on Mac even when run with
+   subprocess.  Patch by Ned Daily and Lita Cho.
++
  - Issue #21704: Fix build error for _multiprocessing when semaphores
    are not available.  Patch by Arfrever Frehtes Taifersar Arahesis.
  
@@@ -643,37 -559,6 +646,41 @@@ Extension Module
  IDLE
  ----
  
++- Issue #17172: Add the ability to run turtledemo from Idle.
++  Currently, the entry is on the Help menu, but it may move to Run.
++  Patch by Ramchandra Apt and Lita Cho.
++
 +- Issue #21765: Add support for non-ascii identifiers to HyperParser.
 +
 +- Issue #21940: Add unittest for WidgetRedirector. Initial patch by Saimadhav
 +  Heblikar.
 +
 +- Issue #18592: Add unittest for SearchDialogBase. Patch by Phil Webster.
 +
 +- Issue #21694: Add unittest for ParenMatch. Patch by Saimadhav Heblikar.
 +
 +- Issue #21686: add unittest for HyperParser. Original patch by Saimadhav
 +  Heblikar.
 +
 +- Issue #12387: Add missing upper(lower)case versions of default Windows key
 +  bindings for Idle so Caps Lock does not disable them. Patch by Roger Serwy.
 +
 +- Issue #21695: Closing a Find-in-files output window while the search is
 +  still in progress no longer closes Idle.
 +
 +- Issue #18910: Add unittest for textView. Patch by Phil Webster.
 +
 +- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar.
 +
 +- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
 +
 +- Issue #21477: htest.py - Improve framework, complete set of tests.
 +  Patches by Saimadhav Heblikar
 +
 +- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
 +  consolidating and improving human-validated tests of Idle. Change other files
 +  as needed to work with htest.  Running the module as __main__ runs all tests.
 +
  - Issue #21139: Change default paragraph width to 72, the PEP 8 recommendation.
  
  - Issue #21284: Paragraph reformat test passes after user changes reformat width.