dummy_thread modified to have interrupt_main and to behave appropriately when
called.
Added announcement in Misc/NEWS for thread.interrupt_main and mention of
dummy_thread's change.
diff --git a/Misc/NEWS b/Misc/NEWS
index d99851d..d4a8058 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -55,6 +55,9 @@
Extension modules
-----------------
+- thread.interrupt_main() raises KeyboardInterrupt in the main thread.
+ dummy_thread has also been modified to try to simulate the behavior.
+
- array.array.insert() now treats negative indices as being relative
to the end of the array, just like list.insert() does. (SF bug #739313)