[Json] Re: IANA registrations

Karen Etheridge <karen@froods.org> Mon, 18 May 2026 23:52 UTC

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From: Karen Etheridge <karen@froods.org>
Date: Mon, 18 May 2026 16:51:33 -0700
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To: Tim Bray <tbray@textuality.com>
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CC: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>, Henry Andrews <andrews_henry@yahoo.com>, JSON WG <json@ietf.org>, Eliot Lear <lear@lear.ch>
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Subject: [Json] Re: IANA registrations
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On Mon, May 18, 2026 at 4:31 PM Tim Bray <tbray@textuality.com> wrote:

> On May 18, 2026 at 4:20:02 PM, Martin J. Dürst <duerst@it.aoyama.ac.jp>
> wrote:
>
>> Hello Henry, Eliot, others,
>>
>> If we come to the conclusion that it makes sense to add a fragment
>> syntax and/or a schema/profile parameter to application/json, we can
>> just update the registration.
>>
>
> “just” is doing a lot of work here.  I would be pretty nervous about the
> IETF trying to tell the world what “foo.json#bar” means 25 years into
> JSON’s life. -Tim
>

Quite so.  JSON Pointers are established as their own RFC, so I could see
"foo.json#/foo/bar/baz"  being shoehorned into the main json media-type
(and it's also pretty straightforward to implement, and it would sure be
nice if browsers would support it), but the "#bar" syntax is specific to
JSON Schema and requires the context of the $anchor keyword.