Issue #27365: Allow non-ascii in idlelib/NEWS.txt, for contributor names.
Rest of patch that should not be cherry picked into 3.5.2 final.
diff --git a/Lib/idlelib/aboutDialog.py b/Lib/idlelib/aboutDialog.py
index 0457c43..a8f75d2 100644
--- a/Lib/idlelib/aboutDialog.py
+++ b/Lib/idlelib/aboutDialog.py
@@ -145,5 +145,7 @@
         self.destroy()
 
 if __name__ == '__main__':
+    import unittest
+    unittest.main('idlelib.idle_test.test_helpabout', verbosity=2, exit=False)
     from idlelib.idle_test.htest import run
     run(AboutDialog)