Subject: bug#1702: [PATCH]: feature request: correctly display single file zip archive

From: Eli Zaretskii <[email-masked]>
Date: Thu, 13 Nov 2014 21:58:17 +0200

> From: Lars Magne Ingebrigtsen <[email-masked]>
> Cc: Eli Zaretskii <[email-masked]>,  [email-masked],  [email-masked],  [email-masked]
> Date: Thu, 13 Nov 2014 20:51:36 +0100
> 
> Matthew Leach <[email-masked]> writes:
> 
> > I think the advantage gained here is transparent editing of compressed
> > files, like how Emacs can read .el.gz files without having to manually
> > decompress them first.
> 
> If it were possible to edit files inside archives, that would be great.
> But that's a pretty major undertaking, I think.

Maybe so, but that undertaking was already made many years ago:
arc-mode.el does support editing files in archives.