How to make Emacs edit JSON data in `json-mode`?

Question

I am working with GNU Emacs 23.1.1. When working with a .json file it is treated in the Fundamental mode:

How can I have the json file treated in the json mode?

I note that GNU Emacs 24.3.1 opens json files as Javascript which already allows formatting.

Does this answer your question? Make emacs automatically open binary files in hexl-mode — Drew, Feb 11 at 16:21
@Drew the difference between my question and emacs.stackexchange.com/questions/10277/… is technically involved therefore my question deserves a separate answer. — Viesturs, Feb 11 at 17:20
What have you tried to do? Explain why using Emacs-24.3 in javascript-mode is not good enough — Stefan, Feb 11 at 23:14
@Viesturs You could still install it as a container, an appimage or compile it from source yourself without root. — Qudit, Feb 12 at 17:10
@Viesturs - When installing or upgrading emacs on host is not a viable option, I use emacs+tramp on my local machine to login to remote host and edit the file remotely. For example, If I do C-x C-f /scp:username@remote-hostname:/path/to/file RET then emacs will login via SCP to remote-hostname as username and open /path/to/file inside emacs on my local machine. I use this feature everyday. — Melioratus, Feb 21 at 15:38

RichieHH · Accepted Answer · 2020-02-11 16:47:19Z

1

Install json-mode might be the simplest.

In my set up (I use straight.el)

simply

(use-package json-mode)

answered Feb 11 at 16:47

RichieHH

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