bug#22333: 24.5; EWW downloads invalid compressed tar-files

[Eli Zaretskii]

> From: Iñigo Serna <inigoserna@gmail.com>
> Date: Fri, 08 Jan 2016 22:23:27 +0100
> 
> Browsing web using eww and downloading compressed tar-files
> (f.e. filename.tar.gz) save invalid files (can't be uncompressed).
> 
> I've tested on emacs 24.5 official packages both in Fedora 23 (x86_64)
> and ArchLinux (x86_64 and arm), running with "emacs -Q -nw".
> Tried also on git master, but download fails with this message:
> 
>     error in process filter: Args out of range: #<buffer  *http 
> pypi.python.org:443*>, 0, 13
> 
> To reproduce, browse to any web which offers any tar compressed file
> and hit 'd' to download when cursor is over file URL. Then try to
> uncompress it:
> 
>     /home/inigo/Downloads ⚡ tar xvf filename.tar.gz
>     tar: This does not look like a tar archive
>     tar: Skipping to next header
>     tar: Exiting with failure status due to previous errors

Could it be that the saved tar file is already uncompressed?