Hi,

These entries have been updated:

https://www.iana.org/assignments/tls-ech-configuration-extensions

thanks,
Amanda

On Thu Feb 26 20:54:23 2026, [email protected] wrote:
> IANA,
> 
> Please update each entry in the Notes column as follows for the "TLS
> ECHConfig Extension" registry (https://www.iana.org/assignments/tls-
> ech-configuration-extensions/tls-ech-configuration-
> extensions.xhtml#tls-echconfig-extension).
> 
> Current:
> Grease entries.
> 
> Updated:
> GREASE entries
> 
> Thank you,
> Madison Church
> RFC Production Center
> 
> > On Feb 26, 2026, at 2:48 PM, Madison Church <[email protected]
> > editor.org> wrote:
> >
> > Hi Eric,
> >
> > Thank you for your reply! We have marked your approval on the AUTH48
> > status page (see https://www.rfc-editor.org/auth48/rfc9849).
> >
> > We will now ask IANA to make their updates.
> >
> > Thank you!
> > Madison Church
> > RFC Production Center
> >
> >> On Feb 26, 2026, at 12:48 PM, Eric Rescorla <[email protected]> wrote:
> >>
> >> I approve contingent on the break in issue #1308 being fixed.
> >>
> >> -Ekr
> >>
> >>
> >> On Wed, Feb 25, 2026 at 11:37 AM Madison Church <[email protected]
> >> editor.org> wrote:
> >> Hi Chris, Kazuho, Nick,
> >>
> >> Thank you for your replies. We have marked your final approvals on
> >> the AUTH48 status page (see https://www.rfc-
> >> editor.org/auth48/rfc9849). Once we receive approval from Eric, we
> >> will ask IANA to complete their updates.
> >>
> >> Thank you!
> >>
> >> Madison Church
> >> RFC Production Center
> >>
> >>> On Feb 25, 2026, at 12:21 PM, Christopher Wood
> >>> <[email protected]> wrote:
> >>>
> >>> I approve publication.
> >>>
> >>> Best,
> >>>  Chris
> >>>
> >>>> On Feb 24, 2026, at 5:11 PM, Madison Church <[email protected]
> >>>> editor.org> wrote:
> >>>>
> >>>> Hi Authors,
> >>>>
> >>>> Eric - Thank you for your reply. We have reverted all [RFC9846]
> >>>> citations back to [RFC8446] per your response. Aside from the
> >>>> issue filed on GitHub for this document (https://github.com/ietf-
> >>>> tools/xml2rfc/issues/1308), we believe there are no outstanding
> >>>> items that require further review. While this issue is being
> >>>> worked on, we can still note formatting approvals (and therefore
> >>>> final approvals) for this document. As requested, we will not
> >>>> proceed with publication until issue #1308 is resolved.
> >>>>
> >>>> All - Please review the XML file and its TXT, HTML, and PDF
> >>>> outputs, and let us know if any changes are required or if you
> >>>> approve the RFC for publication. While this is your approval of
> >>>> the XML and its outputs, we consider this your final assent that
> >>>> the document is ready for publication. To request changes or
> >>>> approve your RFC for publication, please reply to this email.
> >>>> Please use ‘REPLY ALL’, as all the parties CCed on this message
> >>>> need to see your approval.
> >>>>
> >>>> Please note that we will only make changes in the XML file from
> >>>> this point on.
> >>>>
> >>>> XML file:
> >>>> https://www.rfc-editor.org/authors/rfc9849.xml
> >>>>
> >>>> Output files:
> >>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>
> >>>> Lastdiff of the text (shows only the format changes):
> >>>> https://www.rfc-editor.org/authors/rfc9849-lastdiff.html
> >>>> https://www.rfc-editor.org/authors/rfc9849-lastrfcdiff.html (side
> >>>> by side)
> >>>>
> >>>> Comprehensive diff file of the text:
> >>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>> https://www.rfc-editor.org/authors/rfc9849-rfcdiff.html (side by
> >>>> side)
> >>>>
> >>>> For the AUTH48 status of this document, please see:
> >>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>
> >>>> Once all approvals are received, we will proceed with IANA
> >>>> updates.
> >>>>
> >>>> Thank you!
> >>>>
> >>>> Madison Church
> >>>> RFC Production Center
> >>>>
> >>>>> On Feb 21, 2026, at 11:05 PM, Eric Rescorla <[email protected]> wrote:
> >>>>>
> >>>>>
> >>>>> On Fri, Feb 20, 2026 at 2:35 PM Madison Church
> >>>>> <[email protected]> wrote:
> >>>>> Hello Authors,
> >>>>>
> >>>>> Now that we have all necessary content approvals, we have
> >>>>> converted the kramdown-rfc file to RFCXML. We made some
> >>>>> additional formatting changes in the XML file, including
> >>>>> reference updates.
> >>>>>
> >>>>> We also have additional comments for your review:
> >>>>>
> >>>>> 1) Upon completing the XML conversion, we came across a bug in
> >>>>> the updated WHATWG-IPV4 reference, specifically in the TXT
> >>>>> output. We have filed an issue with the Tools Team; see
> >>>>> https://github.com/ietf-tools/xml2rfc/issues/1308 for further
> >>>>> clarification.
> >>>>>
> >>>>> This needs to be fixed before publication.
> >>>>>
> >>>>>
> >>>>> 2) We have updated RFCs 8446 and 8447 to RFC-to-be-9846 and RFC
> >>>>> 9847 per Sean Turner’s mail from 2 December 2025. With these
> >>>>> reference updates, please review the updated files and let us
> >>>>> know if any updates are needed to the current in-text citations
> >>>>> for these RFCs.
> >>>>>
> >>>>> I'm not sure this is advisable. The net impact is that it puts
> >>>>> these documents behind RFC 9846. I recognize that it's in Auth48,
> >>>>> but we're working through some issues, so it's probably not going
> >>>>> to be like next week.
> >>>>>
> >>>>> -Ekr
> >>>>>
> >>>>>
> >>>>> Please review the XML file and its TXT, HTML, and PDF outputs,
> >>>>> and let us know if any changes are required or if you approve the
> >>>>> RFC for publication. While this is your approval of the XML and
> >>>>> its outputs, we consider this your final assent that the document
> >>>>> is ready for publication. To request changes or approve your RFC
> >>>>> for publication, please reply to this email. Please use ‘REPLY
> >>>>> ALL’, as all the parties CCed on this message need to see your
> >>>>> approval.
> >>>>>
> >>>>> Please note that we will only make changes in the XML file from
> >>>>> this point on.
> >>>>>
> >>>>> XML file:
> >>>>> https://www.rfc-editor.org/authors/rfc9849.xml
> >>>>>
> >>>>> Output files:
> >>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>>
> >>>>> Lastdiff of the text (shows only the format changes):
> >>>>> https://www.rfc-editor.org/authors/rfc9849-lastdiff.html
> >>>>> https://www.rfc-editor.org/authors/rfc9849-lastrfcdiff.html (side
> >>>>> by side)
> >>>>>
> >>>>> Comprehensive diff file of the text:
> >>>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>>> https://www.rfc-editor.org/authors/rfc9849-rfcdiff.html (side by
> >>>>> side)
> >>>>>
> >>>>> For the AUTH48 status of this document, please see:
> >>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>
> >>>>> Thank you!
> >>>>>
> >>>>> Madison Church
> >>>>> RFC Production Center
> >>>>>
> >>>>>>> On Feb 19, 2026, at 7:30 PM, Kazuho Oku <[email protected]>
> >>>>>>> wrote:
> >>>>>>
> >>>>>> Thank you for all the changes. I approve.
> >>>>>>
> >>>>>> 2026年2月19日(木) 5:54 Madison Church <[email protected]
> >>>>>> editor.org>:
> >>>>>>>
> >>>>>>> Hi Authors,
> >>>>>>>
> >>>>>>> We have noted approvals for Paul, Eric, and Chris on the AUTH48
> >>>>>>> status page (see https://www.rfc-editor.org/auth48/rfc9849).
> >>>>>>> Once we receive Kazuho’s approval for the document’s content,
> >>>>>>> we will move forward with the RFCXML conversion and formatting
> >>>>>>> updates.
> >>>>>>>
> >>>>>>> Thank you!
> >>>>>>> Madison Church
> >>>>>>> RFC Production Center
> >>>>>>>
> >>>>>>>> On Feb 18, 2026, at 2:39 PM, Paul Wouters
> >>>>>>>> <[email protected]> wrote:
> >>>>>>>>
> >>>>>>>> ah thanks,
> >>>>>>>>
> >>>>>>>> Approved
> >>>>>>>>
> >>>>>>>> Paul
> >>>>>>>>
> >>>>>>>> On Wed, Feb 18, 2026 at 1:48 PM Sandy Ginoza
> >>>>>>>> <[email protected]> wrote:
> >>>>>>>> Hi Paul,
> >>>>>>>>
> >>>>>>>> This is also my mistake - apologies for the confusion!
> >>>>>>>>
> >>>>>>>> Please review the diffs in this file and let us know if you
> >>>>>>>> approve:
> >>>>>>>> https://www.rfc-editor.org/authors/rfc9849v4fixed-rfcdiff.html
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> Thanks,
> >>>>>>>> Sandy Ginoza
> >>>>>>>> RFC Production Center
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>> On Feb 18, 2026, at 10:29 AM, Paul Wouters
> >>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> On Tue, Feb 17, 2026 at 6:38 PM Sandy Ginoza
> >>>>>>>>> <[email protected]> wrote:
> >>>>>>>>> Hi Eric, Paul*,
> >>>>>>>>>
> >>>>>>>>> Thank you for your review and the updated .md file.  The
> >>>>>>>>> current files are available here:
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>>>>>>
> >>>>>>>>> Diffs of the most recent updates:
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-lastdiff.html
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-lastrfcdiff.html
> >>>>>>>>> (side by side)
> >>>>>>>>>
> >>>>>>>>> AUTH48 diffs:
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-auth48diff.html
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-auth48rfcdiff.html
> >>>>>>>>> (side by side)
> >>>>>>>>>
> >>>>>>>>> Comprehensive diffs:
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-rfcdiff.html (side
> >>>>>>>>> by side)
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> * Paul, please review the diffs of the most recent updates
> >>>>>>>>> and let us know if you approve.
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-lastdiff.html
> >>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-lastrfcdiff.html
> >>>>>>>>> (side by side)
> >>>>>>>>>
> >>>>>>>>> I am a bit confused here as the diff contains questions from
> >>>>>>>>> you to us, and I am not sure if I and/or authors are still
> >>>>>>>>> supposed to choose an option. That is, you seem to be asking
> >>>>>>>>> more than just approval from me?
> >>>>>>>>>
> >>>>>>>>> Otherwise, the changes looks fine to me.
> >>>>>>>>>
> >>>>>>>>> Paul
> >>>>>>>>>
> >>>>>>>>> Authors, please let us know if any additional updates are
> >>>>>>>>> needed or if you approve the RFC for publication.
> >>>>>>>>>
> >>>>>>>>> Thank you,
> >>>>>>>>> Sandy Ginoza
> >>>>>>>>> RFC Production Center
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>> On Feb 17, 2026, at 10:56 AM, Eric Rescorla <[email protected]>
> >>>>>>>>>> wrote:
> >>>>>>>>>>
> >>>>>>>>>> Please find an updated markdown file at:
> >>>>>>>>>> https://raw.githubusercontent.com/tlswg/draft-ietf-tls-
> >>>>>>>>>> esni/baf67ab50fb5238eab07d7e3f081aec4495c4742/rfc9849.md
> >>>>>>>>>>
> >>>>>>>>>> On Mon, Feb 16, 2026 at 8:14 AM Christopher Wood
> >>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>> I approve publication of the latest document. Thanks for the
> >>>>>>>>>> work, all.
> >>>>>>>>>>
> >>>>>>>>>> Best,
> >>>>>>>>>> Chris
> >>>>>>>>>>
> >>>>>>>>>>> On Feb 11, 2026, at 4:25 PM, Madison Church
> >>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>
> >>>>>>>>>>> Hi Kazuho,
> >>>>>>>>>>>
> >>>>>>>>>>> Thank you for your reply! We have updated our files to
> >>>>>>>>>>> match your name preference for consistency with other RFCs.
> >>>>>>>>>>>
> >>>>>>>>>>> For the change regarding HpkeKeyConfig, we will wait for
> >>>>>>>>>>> additional reviews/comments.
> >>>>>>>>>>>
> >>>>>>>>>>> The files have been posted here (please refresh):
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>>>>>>>>
> >>>>>>>>>>> Markdown file:
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>>>>
> >>>>>>>>>>> The relevant diff files have been posted here (please
> >>>>>>>>>>> refresh):
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>>>>>>>>> (comprehensive diff)
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-rfcdiff.html
> >>>>>>>>>>> (side by side)
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-auth48diff.html
> >>>>>>>>>>> (diff showing AUTH48 changes)
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>
> >>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-diff.html
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-rfcdiff.html
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>> auth48diff.html
> >>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>> auth48rfcdiff.html
> >>>>>>>>>>>
> >>>>>>>>>>> For the AUTH48 status of this document, please see:
> >>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>
> >>>>>>>>>>> Thank you!
> >>>>>>>>>>>
> >>>>>>>>>>> Madison Church
> >>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>
> >>>>>>>>>>>> On Feb 5, 2026, at 12:39 AM, Kazuho Oku
> >>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>> Hello Madison, authors,
> >>>>>>>>>>>>
> >>>>>>>>>>>> Thank you very much for pushing the draft forward.
> >>>>>>>>>>>>
> >>>>>>>>>>>> I have read through the updated markdown and I would like
> >>>>>>>>>>>> to request two nits.
> >>>>>>>>>>>>
> >>>>>>>>>>>> I've separately filed a PR
> >>>>>>>>>>>> (https://github.com/tlswg/draft-ietf-tls-esni/pull/672),
> >>>>>>>>>>>> but the nits
> >>>>>>>>>>>> are:
> >>>>>>>>>>>>
> >>>>>>>>>>>> # Section 5 and Section 6.1: Incorrect references to
> >>>>>>>>>>>> properties of HpkeKeyConfig
> >>>>>>>>>>>>
> >>>>>>>>>>>> `cipher_suites`, `kem_id`, `public_key` are members of
> >>>>>>>>>>>> `HpkeKeyConfig`, and therefore it would be correct to
> >>>>>>>>>>>> refer to them as
> >>>>>>>>>>>> `ECHConfigContents.key_config.~`. However, `key_config` is
> >>>>>>>>>>>> missing.
> >>>>>>>>>>>>
> >>>>>>>>>>>> IMO this is editorial, however it is not a grammatical
> >>>>>>>>>>>> error, and
> >>>>>>>>>>>> therefore would appreciate reviews from other authors.
> >>>>>>>>>>>>
> >>>>>>>>>>>> # Update my name to use Kanji
> >>>>>>>>>>>>
> >>>>>>>>>>>> This would make the representation consistent with other
> >>>>>>>>>>>> RFCs that I coauthored.
> >>>>>>>>>>>>
> >>>>>>>>>>>> For the ease of the review, the diff file against the TXT
> >>>>>>>>>>>> version is attached.
> >>>>>>>>>>>>
> >>>>>>>>>>>> 2026年2月4日(水) 6:32 Madison Church <[email protected]
> >>>>>>>>>>>> editor.org>:
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Hi Eric,
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Thank you for the updated markdown file! Updated files
> >>>>>>>>>>>>> are listed below. We will wait to hear from you once
> >>>>>>>>>>>>> you’ve completed your top-to-bottom read.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> For details of the AUTH48 process in kramdown-rfc
> >>>>>>>>>>>>> (including the two-part approval process), see
> >>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> The files have been posted here (please refresh):
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Markdown file:
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> The relevant diff files have been posted here (please
> >>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>>>>>>>>>>> (comprehensive diff)
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-rfcdiff.html
> >>>>>>>>>>>>> (side by side)
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>> auth48diff.html (diff showing AUTH48 changes)
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-diff.html
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>> rfcdiff.html
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>> auth48diff.html
> >>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>> auth48rfcdiff.html
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> For the AUTH48 status of this document, please see:
> >>>>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>> On Feb 3, 2026, at 2:17 PM, Eric Rescorla <[email protected]>
> >>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> Here is an updated markdown file with the outstanding
> >>>>>>>>>>>>>> PRs. The technical ones
> >>>>>>>>>>>>>> were reviewed.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> https://raw.githubusercontent.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>> esni/18715d4e44626db8f3460442e363ede9526277b0/rfc9849.md
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> I still need to do my top-to-bottom read.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> On Tue, Feb 3, 2026 at 11:55 AM Madison Church
> >>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>> Hi Authors,
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> This is another friendly weekly reminder that we await
> >>>>>>>>>>>>>> content approvals from Christopher, Kazuho, and Eric
> >>>>>>>>>>>>>> before moving along with formatting updates for this
> >>>>>>>>>>>>>> document.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> On Jan 27, 2026, at 2:37 PM, Madison Church
> >>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Hi Authors,
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> This is a friendly weekly reminder that we await
> >>>>>>>>>>>>>>> content approvals from Christopher, Kazuho, and Eric
> >>>>>>>>>>>>>>> before moving along with formatting updates for this
> >>>>>>>>>>>>>>> document.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> On Jan 17, 2026, at 6:37 PM, Eric Rescorla
> >>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> On Fri, Jan 16, 2026 at 2:37 PM Madison Church
> >>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>> Hi All,
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Paul - We have noted your approvals for the two
> >>>>>>>>>>>>>>>> proposed technical changes.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Nick - Thank you for your reply! We have noted your
> >>>>>>>>>>>>>>>> approval for the contents of this document on the
> >>>>>>>>>>>>>>>> AUTH48 status page and implemented your requested
> >>>>>>>>>>>>>>>> updates. The diff file was incredibly helpful!
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> We will wait for confirmation to implement the
> >>>>>>>>>>>>>>>> technical changes.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> I will implement the technical changes in my copy.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Please review the contents of the document carefully.
> >>>>>>>>>>>>>>>> Contact us with any further updates or with your
> >>>>>>>>>>>>>>>> approval of the document’s contents in its current
> >>>>>>>>>>>>>>>> form. Once we receive approvals from Christopher,
> >>>>>>>>>>>>>>>> Kazuho, and Eric, we will move forward with formatting
> >>>>>>>>>>>>>>>> updates.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> For details of the AUTH48 process in kramdown-rfc
> >>>>>>>>>>>>>>>> (including the two-part approval process), see
> >>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> The files have been posted here (please refresh):
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Markdown file:
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> The relevant diff files have been posted here (please
> >>>>>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-diff.html
> >>>>>>>>>>>>>>>> (comprehensive diff)
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>> rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>> auth48diff.html (diff showing AUTH48 changes)
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>> diff.html
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>> rfcdiff.html
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>> auth48diff.html
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>> auth48rfcdiff.html
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> For the AUTH48 status of this document, please see:
> >>>>>>>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Thank you,
> >>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Jan 14, 2026, at 9:42 AM, Nick Sullivan
> >>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Hello RFC Production Center,
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> I reviewed the currently posted AUTH48 text for RFC-
> >>>>>>>>>>>>>>>>> to-be 9849
> >>>>>>>>>>>>>>>>> (rfc9849.txt on the RFC Editor authors page). Below
> >>>>>>>>>>>>>>>>> are a small set of
> >>>>>>>>>>>>>>>>> remaining editorial issues.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Two items that are technically non-editorial are
> >>>>>>>>>>>>>>>>> already being handled
> >>>>>>>>>>>>>>>>> in the TLS WG GitHub repository (issues 656 and 665 /
> >>>>>>>>>>>>>>>>> corresponding
> >>>>>>>>>>>>>>>>> open PRs). To avoid duplication, I am not requesting
> >>>>>>>>>>>>>>>>> those changes
> >>>>>>>>>>>>>>>>> here or requesting any expansion of RFC number
> >>>>>>>>>>>>>>>>> placeholders (for
> >>>>>>>>>>>>>>>>> example RFCYYY1) in this note.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> A) Typos and minor editorial fixes (no intended
> >>>>>>>>>>>>>>>>> technical change)
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Section 5.1 (Encoding the ClientHelloInner)
> >>>>>>>>>>>>>>>>> - Replace “structured defined” with “structure
> >>>>>>>>>>>>>>>>> defined”.
> >>>>>>>>>>>>>>>>> Section 6.1 (Offering ECH)
> >>>>>>>>>>>>>>>>> - Capitalization: “Instead, It MUST …” -> “Instead,
> >>>>>>>>>>>>>>>>> it MUST …”.
> >>>>>>>>>>>>>>>>> Section 7 (Server Behavior introduction)
> >>>>>>>>>>>>>>>>> - Consistency: “back-end server” -> “backend server”.
> >>>>>>>>>>>>>>>>> Section 10.8 (Cookies)
> >>>>>>>>>>>>>>>>> - Insert missing space: “unencrypted.This” ->
> >>>>>>>>>>>>>>>>> “unencrypted. This”.
> >>>>>>>>>>>>>>>>> Section 11.3 (ECH Configuration Extension Registry)
> >>>>>>>>>>>>>>>>> - Fix grammar in the “Recommended” field description
> >>>>>>>>>>>>>>>>> and remove
> >>>>>>>>>>>>>>>>> duplicated wording (“value with a value of”).
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Proposed patch (unified diff against the currently
> >>>>>>>>>>>>>>>>> posted rfc9849.txt;
> >>>>>>>>>>>>>>>>> excludes items already covered by issues 656 and 665;
> >>>>>>>>>>>>>>>>> no RFC
> >>>>>>>>>>>>>>>>> placeholder expansions)
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> ```
> >>>>>>>>>>>>>>>>> --- rfc9849.txt
> >>>>>>>>>>>>>>>>> +++ rfc9849.txt
> >>>>>>>>>>>>>>>>> @@ -521,7 +521,7 @@
> >>>>>>>>>>>>>>>>> -        structured defined in Section 5.3 of
> >>>>>>>>>>>>>>>>> [RFC9147].  This does not
> >>>>>>>>>>>>>>>>> +        structure defined in Section 5.3 of
> >>>>>>>>>>>>>>>>> [RFC9147].  This does not
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> @@ -675,7 +675,7 @@
> >>>>>>>>>>>>>>>>> -            ClientHelloInner.random.  Instead, It
> >>>>>>>>>>>>>>>>> MUST generate a fresh
> >>>>>>>>>>>>>>>>> +            ClientHelloInner.random.  Instead, it
> >>>>>>>>>>>>>>>>> MUST generate a fresh
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> @@ -1129,7 +1129,7 @@
> >>>>>>>>>>>>>>>>> -        the client-facing server or as the back-end
> >>>>>>>>>>>>>>>>> server.  Depending on the
> >>>>>>>>>>>>>>>>> +        the client-facing server or as the backend
> >>>>>>>>>>>>>>>>> server.  Depending on the
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> @@ -1706,7 +1706,7 @@
> >>>>>>>>>>>>>>>>> -        unencrypted.This means differences in
> >>>>>>>>>>>>>>>>> cookies between backend
> >>>>>>>>>>>>>>>>> +        unencrypted. This means differences in
> >>>>>>>>>>>>>>>>> cookies between backend
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> @@ -2114,13 +2114,12 @@
> >>>>>>>>>>>>>>>>> -   Recommended:  A "Y" or "N" value indicating if
> >>>>>>>>>>>>>>>>> the extension is TLS
> >>>>>>>>>>>>>>>>> -      WG recommends that the extension be supported.
> >>>>>>>>>>>>>>>>> This column is
> >>>>>>>>>>>>>>>>> -      assigned a value of "N" unless explicitly
> >>>>>>>>>>>>>>>>> requested.  Adding a
> >>>>>>>>>>>>>>>>> -      value with a value of "Y" requires Standards
> >>>>>>>>>>>>>>>>> Action [RFC8126].
> >>>>>>>>>>>>>>>>> +   Recommended:  A "Y" or "N" value indicating if
> >>>>>>>>>>>>>>>>> the TLS Working Group
> >>>>>>>>>>>>>>>>> +      recommends that the extension be supported.
> >>>>>>>>>>>>>>>>> This column is assigned a
> >>>>>>>>>>>>>>>>> +      value of "N" unless explicitly requested.
> >>>>>>>>>>>>>>>>> Adding a value of "Y"
> >>>>>>>>>>>>>>>>> +      requires Standards Action [RFC8126].
> >>>>>>>>>>>>>>>>> ```
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> GitHub PR: https://github.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>>>>> esni/pull/671/files
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> With these changes, the publication is approved by
> >>>>>>>>>>>>>>>>> me.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Thank you,
> >>>>>>>>>>>>>>>>> Nick Sullivan
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Mon, Jan 12, 2026 at 12:28 PM Nick Sullivan
> >>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Hi Madison,
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Apologies for the delay, I was intending to do this
> >>>>>>>>>>>>>>>>>> over the new year but didn't get to it. I'll review
> >>>>>>>>>>>>>>>>>> by end of week.
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Best,
> >>>>>>>>>>>>>>>>>> Nick
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> On Fri, Jan 9, 2026 at 10:31 AM Paul Wouters
> >>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> approved (via email and at the PRs listed)
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> Paul
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> On Thu, Jan 8, 2026 at 4:49 PM Madison Church
> >>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> Hi Authors, *Paul,
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> Happy new year!
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> This is a friendly reminder that we have yet to
> >>>>>>>>>>>>>>>>>>>> hear back from you regarding the readiness of this
> >>>>>>>>>>>>>>>>>>>> document’s contents before moving forward with
> >>>>>>>>>>>>>>>>>>>> formatting updates.
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> *Paul - As responsible AD for this document,
> >>>>>>>>>>>>>>>>>>>> please review the changes below and let us know if
> >>>>>>>>>>>>>>>>>>>> you approve:
> >>>>>>>>>>>>>>>>>>>> https://github.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>>>>>>>> esni/pull/668
> >>>>>>>>>>>>>>>>>>>> https://github.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>>>>>>>> esni/pull/667
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> For the AUTH48 status page, see: https://www.rfc-
> >>>>>>>>>>>>>>>>>>>> editor.org/auth48/rfc9849.
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>> On Dec 18, 2025, at 12:46 PM, Madison Church
> >>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>> Hi Eric,
> >>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>> Thank you for the followup! We have updated the
> >>>>>>>>>>>>>>>>>>>>> AUTH48 status page (https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>> editor.org/auth48/rfc9849) and we will wait to
> >>>>>>>>>>>>>>>>>>>>> hear from you once you complete your final
> >>>>>>>>>>>>>>>>>>>>> content review.
> >>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> On Dec 18, 2025, at 12:33 PM, Eric Rescorla
> >>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> FWIW I think Paul actually just approved this
> >>>>>>>>>>>>>>>>>>>>>> one change, not the overall RFC.
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> I have merged this markdown file into the
> >>>>>>>>>>>>>>>>>>>>>> version on GitHub. There are two pending
> >>>>>>>>>>>>>>>>>>>>>> changes that are technically not just editorial,
> >>>>>>>>>>>>>>>>>>>>>> though I think obvious and need Paul's
> >>>>>>>>>>>>>>>>>>>>>> approval:
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> https://github.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>>>>>>>>>> esni/pull/668
> >>>>>>>>>>>>>>>>>>>>>> https://github.com/tlswg/draft-ietf-tls-
> >>>>>>>>>>>>>>>>>>>>>> esni/pull/667
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> In parallel, I will also need to give it a final
> >>>>>>>>>>>>>>>>>>>>>> top-to-bottom read, which I hope to do in the
> >>>>>>>>>>>>>>>>>>>>>> next
> >>>>>>>>>>>>>>>>>>>>>> week or so.
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> On Thu, Dec 18, 2025 at 9:42 AM Madison Church
> >>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>> Hi Paul,
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> We have marked your approval on the AUTH48
> >>>>>>>>>>>>>>>>>>>>>> status page (see https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>> editor.org/auth48/rfc9849).
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> Thanks!
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>> On Dec 18, 2025, at 11:27 AM, Paul Wouters
> >>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> On Dec 18, 2025, at 11:06, Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Hi Authors, *Paul,
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> *Paul - As responsible AD, please note that we
> >>>>>>>>>>>>>>>>>>>>>>>> await your approval of RFC YYY1 as an
> >>>>>>>>>>>>>>>>>>>>>>>> Informative Reference (changed from Normative
> >>>>>>>>>>>>>>>>>>>>>>>> to Informative).
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>> approved
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>> Paul
> >>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Authors - This is a friendly reminder that we
> >>>>>>>>>>>>>>>>>>>>>>>> await approvals from each author prior to
> >>>>>>>>>>>>>>>>>>>>>>>> moving forward with formatting updates.
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> For details of the AUTH48 process in kramdown-
> >>>>>>>>>>>>>>>>>>>>>>>> rfc (including the two-part approval process),
> >>>>>>>>>>>>>>>>>>>>>>>> see https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> The files have been posted here (please
> >>>>>>>>>>>>>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Markdown file:
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> The relevant diff files have been posted here
> >>>>>>>>>>>>>>>>>>>>>>>> (please refresh):
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>> diff.html (comprehensive diff)
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>> rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html (diff showing AUTH48 changes)
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>> diff.html
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>> rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> For the AUTH48 status of this document, please
> >>>>>>>>>>>>>>>>>>>>>>>> see:
> >>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Thank you,
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> On Dec 11, 2025, at 10:07 AM, Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Hi Eric, *Paul,
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Eric - Thank you for your reply! We weren’t
> >>>>>>>>>>>>>>>>>>>>>>>>> sure if this was intentional, so thank you
> >>>>>>>>>>>>>>>>>>>>>>>>> for clarifying. We have moved RFC YYY1 to the
> >>>>>>>>>>>>>>>>>>>>>>>>> Informative References section.
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> *Paul - As responsible AD, please let us know
> >>>>>>>>>>>>>>>>>>>>>>>>> if you approve RFC YYY1 as an Informative
> >>>>>>>>>>>>>>>>>>>>>>>>> Reference.
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Please review the contents of the document
> >>>>>>>>>>>>>>>>>>>>>>>>> carefully. Contact us with any further
> >>>>>>>>>>>>>>>>>>>>>>>>> updates or with your approval of the
> >>>>>>>>>>>>>>>>>>>>>>>>> document’s contents in its current form. We
> >>>>>>>>>>>>>>>>>>>>>>>>> will await approvals from each author prior
> >>>>>>>>>>>>>>>>>>>>>>>>> to moving forward with formatting updates.
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> For details of the AUTH48 process in
> >>>>>>>>>>>>>>>>>>>>>>>>> kramdown-rfc (including the two-part approval
> >>>>>>>>>>>>>>>>>>>>>>>>> process), see https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> The files have been posted here (please
> >>>>>>>>>>>>>>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Markdown file:
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> The relevant diff files have been posted here
> >>>>>>>>>>>>>>>>>>>>>>>>> (please refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> diff.html (comprehensive diff)
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html (diff showing AUTH48 changes)
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> md-diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> md-rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> md-auth48diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>> md-auth48rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> For the AUTH48 status of this document,
> >>>>>>>>>>>>>>>>>>>>>>>>> please see:
> >>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>> Thank you,
> >>>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Dec 5, 2025, at 4:38 PM, Eric Rescorla
> >>>>>>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Hi Madison,
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> I believe that the citation to RFCYYY1
> >>>>>>>>>>>>>>>>>>>>>>>>>> should be informative, not normative. I
> >>>>>>>>>>>>>>>>>>>>>>>>>> corrected that in
> >>>>>>>>>>>>>>>>>>>>>>>>>> my version but I guess I forgot to flag it.
> >>>>>>>>>>>>>>>>>>>>>>>>>> Paul, co-authors, any objections?
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Fri, Dec 5, 2025 at 2:16 PM Madison
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Church <[email protected]>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>> Hi Eric,
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Thank you for the updated markdown file! We
> >>>>>>>>>>>>>>>>>>>>>>>>>> have incorporated your edits into the
> >>>>>>>>>>>>>>>>>>>>>>>>>> document. Upon further review, we have also
> >>>>>>>>>>>>>>>>>>>>>>>>>> updated the term "Shared Mode" to follow the
> >>>>>>>>>>>>>>>>>>>>>>>>>> same pattern as "Split Mode" (uppercase on
> >>>>>>>>>>>>>>>>>>>>>>>>>> first use and in titles, lowercase
> >>>>>>>>>>>>>>>>>>>>>>>>>> otherwise). Please let us know any
> >>>>>>>>>>>>>>>>>>>>>>>>>> objections. Additionally, we will update the
> >>>>>>>>>>>>>>>>>>>>>>>>>> WHATWG reference per our discussion during
> >>>>>>>>>>>>>>>>>>>>>>>>>> formatting. Aside from the updates
> >>>>>>>>>>>>>>>>>>>>>>>>>> mentioned, we have no further
> >>>>>>>>>>>>>>>>>>>>>>>>>> questions/comments at this time.
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Please review the contents of the document
> >>>>>>>>>>>>>>>>>>>>>>>>>> carefully. Contact us with any further
> >>>>>>>>>>>>>>>>>>>>>>>>>> updates or with your approval of the
> >>>>>>>>>>>>>>>>>>>>>>>>>> document’s contents in its current form. We
> >>>>>>>>>>>>>>>>>>>>>>>>>> will await approvals from each author prior
> >>>>>>>>>>>>>>>>>>>>>>>>>> to moving forward with formatting updates.
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> For details of the AUTH48 process in
> >>>>>>>>>>>>>>>>>>>>>>>>>> kramdown-rfc (including the two-part
> >>>>>>>>>>>>>>>>>>>>>>>>>> approval process), see https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> The files have been posted here (please
> >>>>>>>>>>>>>>>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Markdown file:
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> The relevant diff files have been posted
> >>>>>>>>>>>>>>>>>>>>>>>>>> here (please refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> diff.html (comprehensive diff)
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html (diff showing AUTH48
> >>>>>>>>>>>>>>>>>>>>>>>>>> changes)
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> md-diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> md-rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> md-auth48diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>> md-auth48rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> For the AUTH48 status of this document,
> >>>>>>>>>>>>>>>>>>>>>>>>>> please see:
> >>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-editor.org/auth48/rfc9849
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>> Thank you,
> >>>>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Dec 4, 2025, at 7:12 PM, Eric Rescorla
> >>>>>>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Here is an updated markdown file with the
> >>>>>>>>>>>>>>>>>>>>>>>>>>> fixed width adjustments.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> https://raw.githubusercontent.com/tlswg/draft-
> >>>>>>>>>>>>>>>>>>>>>>>>>>> ietf-tls-esni/refs/heads/auth48/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Wed, Dec 3, 2025 at 9:49 AM Eric
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Rescorla <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Wed, Dec 3, 2025 at 6:23 AM Madison
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Church <[email protected]>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Hi Eric,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you for your reply! Please see
> >>>>>>>>>>>>>>>>>>>>>>>>>>> inline.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> On Dec 2, 2025, at 1:38 PM, Eric Rescorla
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Thanks.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Re the questions and comments:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> * I will send a revised file with the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> fixed width issues fixed
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Noted!
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> * As I understand the WHATWG question,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> there are two distinct issues (1) whether
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> to reference a commit and (2) whether to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> reference fragments. I'm OK with
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> referencing a commit like this if that's
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> what you agreed with WHATWG, but I read
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> this text as saying not to reference
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> fragments unless we ensure that the anchor
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> is permanent https://whatwg.org/working-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> mode#anchors. Have we done so for this
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> one?
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you for clarifying. We are unsure if
> >>>>>>>>>>>>>>>>>>>>>>>>>>> the current anchor [1] is permanent, so we
> >>>>>>>>>>>>>>>>>>>>>>>>>>> would recommend not using it and using the
> >>>>>>>>>>>>>>>>>>>>>>>>>>> more general one [2]. However, if any other
> >>>>>>>>>>>>>>>>>>>>>>>>>>> authors put in a request with WHATWG to
> >>>>>>>>>>>>>>>>>>>>>>>>>>> make that anchor permanent, please let us
> >>>>>>>>>>>>>>>>>>>>>>>>>>> know.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> [1] https://url.spec.whatwg.org/#concept-
> >>>>>>>>>>>>>>>>>>>>>>>>>>> ipv4-parser
> >>>>>>>>>>>>>>>>>>>>>>>>>>> [2] https://url.spec.whatwg.org/
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> I think we are in agreement, then, thanks.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, Dec 2, 2025 at 6:58 AM Madison
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Church <[email protected]>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Hi Authors,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> This is a friendly weekly reminder that we
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> await answers to the followup
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> questions/comments below and your review
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> of the document before continuing with the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> publication process. For details of the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> AUTH48 process in kramdown-rfc (including
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> the two-part approval process), see:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Nov 25, 2025, at 8:34 AM, Madison
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Church <[email protected]>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Hi Eric,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you for your reply! We have updated
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> the document as requested and have two
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> followup items for your review, which can
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> be viewed in the AUTH48 thread below or
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> in the updated markdown file marked with
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> "rfced".
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Nov 20, 2025, at 10:33 PM, Eric
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Rescorla <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Update: I fixed my affiliation.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Thu, Nov 20, 2025 at 8:23 PM Eric
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Rescorla <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you. I am editing this in GitHub.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I merged in your proposed changes except
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> for those I think are inadvisable, which
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I reverted. I answered your questions
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> inline.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You can find the latest markdown file
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> here (also attached):
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://raw.githubusercontent.com/tlswg/draft-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ietf-tls-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> esni/refs/heads/auth48/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -Ekr
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Fri, Nov 14, 2025 at 10:53 AM <rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [email protected]> wrote:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Authors,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> While reviewing this document during
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> AUTH48, please resolve (as necessary)
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> the following questions, which are also
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> in the source file.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 1) <!-- [rfced] References
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> a) Regarding [WHATWG-IPV4], this
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reference's date is May 2021.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The URL provided resolves to a page
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> with "Last Updated 12 May 2025".
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Note that WHATWG provides "commit
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> snapshots" of their living standards
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> and
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> there are several commit snapshots from
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> May 2021 with the latest being from 20
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> May 2021. For example: 20 May 2021
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (https://url.spec.whatwg.org/commit-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> snapshots/1b8b8c55eb4bed9f139c9a439fb1c1bf5566b619/#concept-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ipv4-parser)
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> We recommend updating this reference to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> the most current version of the WHATWG
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Living Standard, replacing the URL with
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> the more general URL to the standard
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (https://url.spec.whatwg.org/), and
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> adding a "commit snapshot" URL to the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reference.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Current:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [WHATWG-IPV4]
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> WHATWG, "URL - IPv4 Parser", WHATWG
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Living Standard, May
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 2021,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> <https://url.spec.whatwg.org/#concept-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ipv4-parser>.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> EKR: Per MT, WHATWG has asked us not to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do that. We should leave
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> this as-is and change the date to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> December 2025.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 1) For context, we reached out to WHATWG
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> in September about a format for
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> references to their standards (see:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://github.com/whatwg/meta/issues/363).
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The proposed update below for this
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reference reflects the approved format.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> It would be helpful for the RPC to know
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> what WHATWG has asked authors to not do
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> so that we can reach out for
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> clarification and update our recommended
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> citation if necessary. With this in
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> mind, let us know if any updates need to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> be made.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Perhaps:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [WHATWG-IPV4]
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> WHATWG, "URL - IPv4 Parser", WHATWG
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Living Standard,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> <https://url.spec.whatwg.org/#concept-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ipv4-parser>.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Commit snapshot:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://url.spec.whatwg.org/commit-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> snapshots/1b8b8c55eb4bed9f139c9a439fb1c1bf5566b619/#concept-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ipv4-parser
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Regarding the date, we don't recommend
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> using a future date for a reference as
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> it doesn't reflect the date for a
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> currently published work (unless there
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> is an anticipated update to the WHATWG
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> specification in December 2025).
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> d) FYI, RFCYYY1 (draft-ietf-tls-svcb-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ech) will be updated during the XML
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> stage.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 7) <!-- [rfced] We note that the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> following terms use fixed-width font
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> inconsistently. Please review these
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> terms and let us know how we should
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> update
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> or if there are any specific patterns
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> that should be followed (e.g.,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> fixed-width font used for field names,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> variants, etc.).
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> accept_confirmation
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> cipher_suite
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ClientHello
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ClientHelloInner
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ClientHelloOuter
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ClientHelloOuterAAD
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> config_id
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ECHClientHello
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ECHConfig
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ECHConfig.contents.public_name
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ECHConfigContents
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ECHConfigList
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> EncodedClientHelloInner
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> inner
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> maximum_name_length
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> outer
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> payload
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> public_key
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ServerHello.random
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> zeros
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> —>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> EKR: Thanks. Fixed width should be used
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> for field names and other PDUs.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I notice that some of these are regular
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> words (zeros) so you have to determine
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> from context whether it's referring to
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> some protocol element or just to the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> concept "carries an encrypted payload"
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> versus "the payload field". Do you want
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> to take a cut at changing as many of
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> these as make sense and then I can
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> review, or would you prefer I make the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> changes?
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> One question is what to do in
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> definition lists. My sense is that the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> list heds should be non-fixed-width but
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> maybe you have a convention.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 2) Thank you for offering to make
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> changes. Please feel free to attach an
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> updated markdown file containing the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> changes for terms using fixed-width
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> font.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> For definition lists, we typically leave
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> this up to the authors to determine how
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> they would like the terms to appear for
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> consistency. For an example of terms in
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> a definition list using a fixed-width
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> font, see: https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/rfc/rfc9623.html#section-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 5.1.1.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The files have been posted here (please
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.txt
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.pdf
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.xml
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849.md
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The relevant diff files have been posted
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> here (please refresh):
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html (side by side)
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Markdown diffs:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-md-diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> auth48diff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/authors/rfc9849-md-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> auth48rfcdiff.html
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> For the AUTH48 status of this document,
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> please see: https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/auth48/rfc9849.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> We will await approvals from each author
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prior to moving forward with formatting
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> updates. For details of the AUTH48
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> process in kramdown-rfc (including the
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> two-part approval process), see:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://www.rfc-
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Thank you!
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Madison Church
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RFC Production Center
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> --
> >>>>>>>>>>>> Kazuho Oku
> >>>>>>>>>>>> <rfc9849.txt.kazuho.diff>
> >>>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Kazuho Oku
> >>
> >

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