Re: nxml-mode: Derive from prog-mode instead of text-mode

[Eli Zaretskii <eliz@gnu.org>]

> From: Jostein Kjønigsen <jostein@secure.kjonigsen.net>
> Cc: emacs-devel@gnu.org
> Date: Thu, 11 May 2017 09:29:59 +0200
> 
> But prog-mode represents a API, a endpoint, for end-users and developers to wire up anything and any
> customization they deem programming-related.
> 
> With prog-mode API-wise being a "success", shouldn't Emacs core honour that API by using it where
> appropriate? That would IMO be the consistent thing to do.
> 
> That Emacs ships with only 3 such customizations out of the box seems to me irellevant.

My point is, given how little prog-mode customizes, there's no
particular reason why your customizations should start from prog-mode.
They could start from any other major mode, since you need to invent
most of them from scratch anyway; prog-mode doesn't help you make
fewer customizations.

>  I could understand an argument that nowadays XML and even HTML deviate
>  a lot from text with markup, but I don't see how prog-mode would be
>  more appropriate. I tend to think that we should come up with a new
>  family of modes, which specifically caters to the likes of XML-based
>  coding.
> 
> Something like structured-text-mode ? Which for instance nxml-mode, json-mode, yaml-mode (etc etc) could
> derive from.

Yes.