Repertoire and Default WLE Rules

This file specifies version 6 of the Maximal Starting Repertoire (MSR-6) as defined by the Integration Panel, for use in the development of the Root Zone LGR (RZ-LGR). For details on how to use this file as well as its status, or the methodology used in creating it, see the document named: "Maximal Starting Repertoire - MSR-6: Overview and Rationale" [MSR-Overview] and documents cited therein.

The format of this file follows RFC 7940.

Repertoire

The repertoire specifies the outer superset of the repertoire used in developing the RZ-LGR.

The code points in this set meet the following conditions:

• Assigned in Unicode Version 16.0
• PVALID in IDNA 2008
• Part of a script that is in widespread common everyday use
• Not a historic, obsolete or special purpose code point
• Letter code point (this restriction is specific to the Root Zone)
• Not subject to, or likely to become subject to an IDNA2008 CONTEXT rule

For additional details, see [MSR-Overview].

The "tag" attribute for each code point or range indicates the script or scripts that the code point is used with, using Unicode script identifiers, preceded by "sc:".

Repertoire By Unicode Version

Default Whole Label Evaluation Rules

The default WLE rules, including both <rule> and <action> elements in the XML version of this file apply to any LGR proposed for integration into the RZ-LGR and must be copied into that LGR's XML file. Additional script-specific rules may be added to the proposal as required. This includes any context rules for repertoire elements, whether required by protocol or otherwise needed for safe and predictable user experience.

References

[MSR-Overview]

Integration Panel, Maximal Starting Repertoire - MSR-6: Overview and Rationale, ICANN 23 September 2025 (PDF) https://www.icann.org/en/system/files/files/msr-6-overview-23sep25-en.pdf

[Unicode160]

The Unicode Consortium. The Unicode Standard, Version 16.0.0, (South San Francisco: The Unicode Consortium, 2024. ISBN 978-1-936213-34-4) https://www.unicode.org/versions/Unicode16.0.0/

References [0] and up as listed in the Table of References below cite the Unicode version that a particular code point was first encoded in. For example, if reference [4] is cited it means a character was first encoded in Unicode Version 3.1).

References ZH and JP indicate ideographs that originated from the respective Chinese and Japanese IDN tables for the second level, while HK, IIC, and YY indicate Hong Kong (HKSCS), IICORE, and Yoyo-Kanji originated ideographs.