Andrew Hyatt [2016-06-16 00:12:59-04] wrote:

> I also can't reproduce this (on Emacs 25 and Gnus . I don't get any
> error, but instead when I press C-x C-f it tells me "Save MIME part to
> (default test_attachment.txt): ~/".
>
> Seeing as how two of us have tried to reproduce this, I'm going to close
> this out as unreproducible.

Yes, this can be closed. The bug report was relevant 7 years ago.