What is the meaning of @@?

[Ian Kelly]

On Sun, Dec 24, 2017 at 7:33 PM, Peng Yu <pengyu.ut at gmail.com> wrote:
> See for example this file.
>
> https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/ops/rnn_cell.py
>
> On Sat, Dec 23, 2017 at 12:03 AM, Steve D'Aprano
> <steve+python at pearwood.info> wrote:
>> On Sat, 23 Dec 2017 04:38 pm, Peng Yu wrote:
>>
>>> Hi, I only can find the doc for @. What does @@ mean in python?

The examples there occur inside of a doc string, so that's not Python.
It's part of the syntax of whatever software is used to generate the
documentation for that code.