Issue #24284: The startswith and endswith methods of the str class no longer

return True when finding the empty string and the indexes are completely out
of range.

Doc/whatsnew/3.5.rst

@@ -1049,6 +1049,10 @@ Changes in the Python API
   program depends on patching the module level variable to capture the debug
   output, you will need to update it to capture sys.stderr instead.
 
+* The :meth:`str.startswith` and :meth:`str.endswith` methods no longer return
+  ``True`` when finding the empty string and the indexes are completely out of
+  range.  See :issue:`24284`.
+
 Changes in the C API
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