message: Add a link to the guide on "Using savedmodel with estimators" to the documentation for export_savedmodel
diff: @@ -461,8 +461,12 @@ class Estimator(object):
  assets_extra=None,
  as_text=False,
  checkpoint_path=None):
  + # pylint: disable=line-too-long
  """Exports inference graph as a SavedModel into given dir.
  + For a detailed guide, see
  + @{$saved_model#using_savedmodel_with_estimators$Using SavedModel with Estimators}.
  +
  This method builds a new graph by first calling the
  serving_input_receiver_fn to obtain feature `Tensor`s, and then calling
  this `Estimator`'s model_fn to generate the model graph based on those
  @@ -506,6 +510,7 @@ class Estimator(object):
  ValueError: if no serving_input_receiver_fn is provided, no export_outputs
  are provided, or no checkpoint can be found.
  """
  + # pylint: enable=line-too-long
  if serving_input_receiver_fn is None:
  raise ValueError('serving_input_receiver_fn must be defined.')
  