[Technical Errata Reported] RFC7622 (5769)

The following errata report has been submitted for RFC7622,
"Extensible Messaging and Presence Protocol (XMPP): Address Format".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid5769

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Type: Technical
Reported by: Florian Schmaus <[email protected]>

Section: 3.2.1

Original Text
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An entity that prepares a string for inclusion in an XMPP domainpart
slot MUST ensure that the string consists only of Unicode code points
that are allowed in NR-LDH labels or U-labels as defined in
[RFC5890].

Corrected Text
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An entity that prepares a string for inclusion in an XMPP domainpart
slot MUST ensure that the string consists only of Unicode code points
that are allowed in NR-LDH labels or U-labels as defined in
[RFC5890], or the DNS label separator "dot" (U+002E, FULL STOP).

Notes
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The current specification forbids the inclusion of dots (".") in the domainpart, since they are not allowed in NR-LDH nor U-labels. But they should be allowed, as otherwise a DNS name could never be put into an XMPP domainpart (which is commonly done).

Instructions:
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RFC7622 (draft-ietf-xmpp-6122bis-24)
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Title               : Extensible Messaging and Presence Protocol (XMPP): Address Format
Publication Date    : September 2015
Author(s)           : P. Saint-Andre
Category            : PROPOSED STANDARD
Source              : Extensible Messaging and Presence Protocol
Area                : Applications and Real-Time
Stream              : IETF
Verifying Party     : IESG