message: [Docs]: Point to compat.forward_compatible() in the versioning doc.
diff: @@ -301,8 +301,10 @@ existing producer scripts will not suddenly use the new functionality.
  #### Change an op's functionality
  1. Add a new similar op named `SomethingV2` or similar and go through the
  - process of adding it and switching existing Python wrappers to use it, which
  - may take three weeks if forward compatibility is desired.
  + process of adding it and switching existing Python wrappers to use it.
  + To ensure forward compatibility use the checks suggested in
  + [compat.py](https://www.tensorflow.org/code/tensorflow/python/compat/compat.py)
  + when changing the Python wrappers.
  2. Remove the old op (Can only take place with a major version change due to
  backward compatibility).
  3. Increase `min_consumer` to rule out consumers with the old op, add back the
  