message: Update Docs in ctc_greedy_decoder at ctc_ops
diff: @@ -290,9 +290,12 @@ def ctc_greedy_decoder(inputs,
  blank_index=None):
  """Performs greedy decoding on the logits given in input (best path).
  - Note: Regardless of the value of merge_repeated, if the maximum index of a
  - given time and batch corresponds to the blank index `(num_classes - 1)`, no
  + Notes:
  +
  + - Regardless of the value of merge_repeated, if there is an index of a
  + given time and batch that corresponds to the blank_index, no
  new element is emitted.
  + - Default blank_index is `(num_classes - 1)`, unless overriden by blank_index.
  If `merge_repeated` is `True`, merge repeated classes in output.
  This means that if consecutive logits' maximum indices are the same,
  @@ -310,8 +313,8 @@ def ctc_greedy_decoder(inputs,
  merge_repeated: Boolean. Default: True.
  blank_index: (optional) Set the class index to use for the blank label.
  Negative values will start from num_classes, ie, -1 will reproduce the
  - ctc_greedy_decoder behavior of using num_classes - 1 for the blank symbol.
  -
  + ctc_greedy_decoder behavior of using num_classes - 1 for the blank symbol,
  + which, actually, corresponds to the default.
  Returns:
  A tuple `(decoded, neg_sum_logits)` where
  