Martin Kubovčík

I created a unit test for the `element_shape` as is mentioned in the issue.

I delete the `seq_to_seq` flag.

@qlzh727 I added the `drop_remainder` flag. Thanks.

@qlzh727 I changed the `seq_to_seq` terminology to `many_to_many` as is described in the example 3 in docstring. I point to Option 1 and Option 2 in the example as the...

@fchollet Please, Can you review it?

@gbaned Please concretize conflicts. It's not so clear to me. Thanks.

Hi @gbaned all is done. You can merge.

Now many_to_many functionality is provided by the old procedure .... original Example 3.

Any progress here?

@bhack The ticket is done.