[Last-Call] Re: Last Call: <draft-ietf-dnsop-structured-dns-error-12.txt> (Structured Error Data for Filtered DNS) to Proposed Standard

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On Thu, Apr 24, 2025 at 04:41:20PM +0200,
 Petr Špaček <pspacek@xxxxxxx> wrote 
 a message of 53 lines which said:

> > Servers which don't support this specification might use plain
> > text in the EXTRA-TEXT field. Requestors SHOULD properly handle
> > both plaintext and JSON text in the EXTRA-TEXT field. The
> > requestor verifies that the field contains valid JSON.
> 
> There is no indication in the response if an answer contains
> structured EDE or not. The client has to guess!

The way I read the draft, the algorithm is:

* parse as JSON. If it fails, treat as unstructured text,
* check the mandatory fields. If they are absent, treat as
  unstructured text,
* otherwise, use it as structured error.

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