Thanks Tobias, I support this errata.

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Date: Monday, 28 September 2026 at 16:23
To: [email protected] <[email protected]>; 
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Subject: [regext] [Technical Errata Reported] RFC9167 (9188)

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The following errata report has been submitted for RFC9167,
"Registry Maintenance Notification for the Extensible Provisioning Protocol 
(EPP)"

--------------------------------------
You may review the report below and at:
https://secure-web.cisco.com/1brTsMEyLePuZ5eqCdBGJECYHBNQUyZ4Ga5_0qlT4OxnhjDr5BO5A1i4VBeK0E1L4BJZqyohpiCL8CfOk5w4KH9u6KEzWC19G98irUYi2mZhn4NZvFUuVPZDj038N25-U9fakkS88xmwB_xvYCnhPj4ZQDXiS7rhx5MhWXtQfSq2wPKO66POc4m0XXSkf0dPSSilTLelG7tdT808cibVr6IKtQ0nHfAeuzAjystWKhrS1cOF9G_8nu4nhaRLMA2SmtvD235EvlvwPCDRoZ27VwMlenjOYw10035x1If9DfK8/https%3A%2F%2Ferrata.rfc-editor.org%2Feid9188%2F

--------------------------------------
Type: Technical
Reported by: Tobias Sattler <[email protected]>

Section 5.1 says:

Original Text
-------------
<schema targetNamespace="urn:ietf:params:xml:ns:epp:
       maintenance-1.0"
       xmlns:eppcom="urn:ietf:params:xml:ns:eppcom-1.0"
       xmlns:epp="urn:ietf:params:xml:ns:epp-1.0"
       xmlns:maint="urn:ietf:params:xml:ns:epp:maintenance-1.0"
       xmlns="https://www.w3.org/2001/XMLSchema";
       elementFormDefault="qualified">

Corrected Text
--------------
<schema
       targetNamespace="urn:ietf:params:xml:ns:epp:maintenance-1.0"
       xmlns:eppcom="urn:ietf:params:xml:ns:eppcom-1.0"
       xmlns:epp="urn:ietf:params:xml:ns:epp-1.0"
       xmlns:maint="urn:ietf:params:xml:ns:epp:maintenance-1.0"
       xmlns="http://www.w3.org/2001/XMLSchema";
       elementFormDefault="qualified">

Notes
-----
The targetNamespace value is split across two lines inside the
attribute value. The break is inside <sourcecode> in the canonical XML
source, so it appears in the TXT, HTML, and PDF renderings and in the
extracted Code Component. The break was introduced in the draft to
meet the 72-character line limit (present since
draft-ietf-regext-epp-registry-maintenance-10). A parser reads the
value as "urn:ietf:params:xml:ns:epp:     maintenance-1.0" (lxml
output). This does not match xmlns:maint, and the schema fails to
compile, even with Erratum 7176 applied. xmllint reports: "References
from this schema to components in the namespace
'urn:ietf:params:xml:ns:epp:maintenance-1.0' are not allowed, since not
indicated by an import statement." With the value on one line, the
schema compiles, and all six examples in Sections 4.1.1.1, 4.1.1.2 and
4.1.2 validate against it. The intended value is the namespace given in
Sections 1.1 and 6.1. As a co-author, I confirm that no other value was
intended. The schema file IANA publishes at
schema/epp/maintenance-1.0.xsd already uses this value. The corrected
text keeps the line within 72 characters and includes the change from
Erratum 7176, so the schema header is complete in one place.

Instructions:
-------------
This erratum is currently posted as "Reported". Please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party
will log in to change the status and edit the report, if necessary.

--------------------------------------
RFC9167 (draft-ietf-regext-epp-registry-maintenance)
--------------------------------------
Title               : Registry Maintenance Notification for the Extensible 
Provisioning Protocol (EPP)
Publication Date    : December 2021
Author(s)           : T. Sattler, R. Carney, J. Kolker
Category            : Proposed Standard
Source              : regext (ops)
Stream              : IETF
Verifying Party     : IESG
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