cpython

Fix compiler warnings about end_col_offset and end_lineno (GH-11735)

Fix broken :ref: in asyncio docs (GH-11805)

Make sure the BaseManager in test_multiprocessing is cleaned up correctly (GH-11653)

Do not retain references to processes and managers in TestSyncManagerTypes (GH-11801)

bpo-35833: Revise IDLE doc for control codes sent to Shell. (GH-11799)