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This document specifies a set of Label Generation Rules (LGR) for the Hebrew language for the second level domain or domains identified above. The ultimate starting point for the development of this LGR can be found in the related Root Zone LGR [RZ-LGR-Hebr]. Note that while it is the Hebrew Script Root Zone LGR that forms the starting point, the LGR defined here covers the Hebrew Language. The format of this file follows [RFC 7940]. This LGR is adapted from the “Reference LGR for the Second Level for the Hebrew Language” [Ref-LGR-he-Hebr], for details, see Change History below.
For details and additional background on the Hebrew script, see “Proposal for Hebrew Script Root Zone LGR”, Version 1.2, February 2019 [Proposal-Hebrew].
Standalone LGR: This LGR is designed to be used in a zone that does not cater to IDNs other than those valid under this LGR. This LGR lacks features that would allow its use in the context of another LGR in the same zone, and it may contain other features incompatible with such use.
The repertoire contains 27 code points for letters, 5 of which are variants (final forms) of 5 others. The repertoire supports the Hebrew language with restrictions appropriate for domain names. The repertoire is a subset of [Unicode 11.0.0]. For details, see Section 5, “Repertoire” in [Proposal-Hebrew]. (The proposal cited has been adopted for the Hebrew script portion of the Root Zone LGR.)
The Hebrew script is written from right to left. More details can be found in Section 3, “Background About the Script and Languages Using it” in [Proposal-Hebrew].
For the second level, the repertoire has been augmented with the ASCII digits, U+0030 to U+0039, plus U+002D HYPHEN-MINUS, for a total of 38 repertoire elements.
Any code points outside the Hebrew Language repertoire that are targets for out-of-repertoire variants would be included here only if the variant is listed in this file. In this case they are identified as a reflexive (identity) variant of type “out-of-repertoire-var”. Whether or not they are listed, they do not form part of the repertoire.
Repertoire Listing: Each code point or range is tagged with the script or scripts with which the code point is used. For each repertoire element, one or more references document sufficient justification for inclusion in the repertoire; see the “References” below. Comments provide additional information for some code points.
This LGR defines five in-script variants that are final forms of Hebrew letters. For details, see Section 6, “Variants”, in “[Proposal-Hebrew]”.
No ASCII Variants: Note that this LGR does not contain definitions for “blocked” variants for letters that look indistinguishable from ASCII letters (homoglyphs). If concurrent use of LDH labels is desired, the resulting conflicts can be handled by using the “Common LGR” in processing. For details, see Section 3, “Use of Multiple Reference LGRs in the Same Zone” in [Level-2-Overview].
Variant Disposition: All variants are of type “blocked”, making labels that differ only by these variants mutually exclusive: whichever label containing either of these variants is chosen earlier would be delegated, while any other equivalent label should be blocked. There is no preference among these labels.
This LGR does not define allocatable variants.
The specification of variants in this LGR follows the guidelines in [RFC 8228].
This LGR does not define named character classes.
By default, the LGR includes the rules and actions to implement the following restrictions mandated by the IDNA protocol. They are marked with ⍟.
This LGR includes the default actions for LGRs as well as the action needed to invalidate labels with misplaced combining marks. They are marked with ⍟. For a description see [RFC 7940].
This LGR does not define rules specific to the Hebrew script.
The LGR in this document has been adapted from the corresponding Reference LGR for the Second Level. The Second Level Reference LGR for the Hebrew Language was developed by Michel Suignard and Asmus Freytag, based on the Root Zone LGR for the Hebrew script and information contained or referenced therein; see [RZ-LGR-Hebr]. Suitable extensions for the second level have been applied according to the [Guidelines] and with community input. As part of that process, features have been removed or modified as appropriate for the target language. The original proposal for a Root Zone LGR for the Hebrew script, that this LGR is based on, was developed by the Hebrew Generation Panel. For more information on methodology and contributors to the underlying Root Zone LGR, see Sections 4 and 8 in [Proposal-Hebrew], as well as [RZ-LGR-Overview].
[IL-IDN] was consulted during the work on this LGR.
Language tag has been updated.
Unicode Version has been updated.
Adopted from the Second Level Reference LGR for the Hebrew Language [Ref-LGR-he-Hebr] without normative changes.
The following references are cited in the first part of this document:
For references consulted particularly in designing the repertoire for the Hebrew Language for the second level please see details in the Table of References below.
Reference [0] refers to the Unicode Standard version in which the corresponding code points were initially encoded. References [101] and above correspond to sources given in [Proposal-Hebrew] justifying the inclusion of the corresponding code points or rules. Entries in the table may have multiple source reference values. In the listing of whole label evaluation and context rules, references [150] and [160] indicate the source for common rules.
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