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Re: [Jsonpath] JSONPath draft charter

"Murray S. Kucherawy" <superuser@gmail.com> Wed, 02 September 2020 04:45 UTC

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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Tue, 01 Sep 2020 21:45:38 -0700
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To: Tim Bray <tbray@textuality.com>
Cc: Glyn Normington <normingtong@vmware.com>, "jsonpath@ietf.org" <jsonpath@ietf.org>, Carsten Bormann <cabo@tzi.org>, Daniel P <danielaparker@gmail.com>
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Subject: Re: [Jsonpath] JSONPath draft charter
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On Tue, Sep 1, 2020 at 11:07 AM Tim Bray <tbray@textuality.com> wrote:

> JSONPath is a syntax, originally based on the XML "XPath" design,
> which selects fields and values from a JSON document.  It is
> used in a variety of applications which rely on JSON message
> formats.
>
> JSONPath was originally described by Stefan Goessner [1] but has
> never had an official specification of any kind, and
> implementations, while mostly compatible, differ in certain
> behaviors.
>
> The WG will work to develop a JSONPath specification, with the
> primary goal of capturing the common semantics of existing
> implementations and, where there are differences, choosing
> semantics with the goal of causing the least disruption among
> JSONPath users.
>

I anticipate being asked "Why is JSON Pointer not sufficient?"  Indeed its
abstract says:

   JSON Pointer defines a string syntax for identifying a specific value
   within a JavaScript Object Notation (JSON) document.


...which sounds awfully similar.  If we could include a sentence about
that, or a link to an answer, that might be helpful.

-MSK

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