message: TF Ops document updated(unreachable link removed)
diff: # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  -"""Functional operations.
  -
  -See the [Higher Order
  -Functions](https://tensorflow.org/api_guides/python/functional_ops) guide.
  -"""
  +"""Functional operations for RaggedTensors."""
  from __future__ import absolute_import
  from __future__ import division
  