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This document specifies a set of Label Generation Rules (LGR) for Inuktitut language in Québec and Canada using a Syllabic Script known as CANS or UCAS (Unified Canadian Aboriginal Syllabics) for the second level domain. The format of this file follows [RFC 7940].
This LGR is designed to be used in a zone that does cater to French IDNs. This LGR includes features that support its use in context of a French LGR in the same zone.
For details and additional background on the Inuktitut language, see "Inuktitut Language Reference Label Generation Rules for Second-Level Domain Names" [Proposal-Inuktitut].
The repertoire for the Inuktitut Syllabic script (Unified Canadian Unified Syllabics) contains 151 syllabics characters and combining diacritical marks as defined in Section 5.1 “Included Code Points” in [Proposal-Inuktitut].
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 162 repertoire elements.
Any code points outside the Inuktitut 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 and one or more other character categories. For each repertoire element, one or more references document sufficient justification for inclusion in the repertoire; see the “References” below. For code points that are part of the repertoire, comments identify the languages using the code point along with their [EGIDS] level.
The following code points associated to the Inuktitut Syllabics in the UNICODE UCAS table have been excluded in the actual Inuktitut LGR repertoire due to the fact that those code points have never been used, or have not been used in recent times.
U+1402 CANADIAN SYLLABICS AAI
U+1430 CANADIAN SYLLABICS PAAI
U+144D CANADIAN SYLLABICS TAAI
U+146C CANADIAN SYLLABICS KAAI
U+148A CANADIAN SYLLABICS CAAI
U+14A4 CANADIAN SYLLABICS MAAI
U+14C1 CANADIAN SYLLABICS NAAI
U+14D4 CANADIAN SYLLABICS LAAI
U+14EE CANADIAN SYLLABICS SAAI
U+1527 CANADIAN SYLLABICS YAAI
U+1545 CANADIAN SYLLABICS RAAI
U+1554 CANADIAN SYLLABICS FAAI
U+1574 CANADIAN SYLLABICS NUNAVIK HE
U+1575 CANADIAN SYLLABICS NUNAVIK HI
U+1576 CANADIAN SYLLABICS NUNAVIK HII
U+1577 CANADIAN SYLLABICS NUNAVIK HO
U+1578 CANADIAN SYLLABICS NUNAVIK HOO
U+1579 CANADIAN SYLLABICS NUNAVIK HA
U+157A CANADIAN SYLLABICS NUNAVIK HAA
U+157B CANADIAN SYLLABICS NUNAVIK H
U+157E CANADIAN SYLLABICS QAAI
U+158E CANADIAN SYLLABICS NGAAI
U+15AF CANADIAN SYLLABICS AIVILIK B
See Section 5.2 “Excluded Code Points” in [Proposal-Inuktitut].
A number of letters bear strong similarity to Latin letters, these have been given cross-script variant mappings.
Digit Variants: All Canadian Aboriginal digits are treated as semantic variants of the corresponding common (ASCII) digits. By transitivity, they are also semantic variants of any native digits in scripts that also include the common digits. Such variant relations are deemed to exist implicitly by transitivity but are not listed explicitly in each reference LGR. Instead, if needed, they are applied by using the Common LGR in label processing.
In particular, Canadian Aboriginal digit ZERO is a cross-script homoglyph or near homoglyph of digit ZERO in many other scripts; these are already implicit semantic variants by transitivity and therefore not listed here.
To keep digit variant sets manageable in zones where multiple scripts are present, no attempt has been made at identifying cross-script variants among digits of different numeric value or between a digit in one script and a letter in another, such as between digit zero and Latin letter ‘o’. Other mechanisms may be required to prevent homograph labels.
The specification of variants in this LGR follows the guidelines in [RFC 8228].
The LGR defines the following character classes.
The LGR provides script specific restrictions on the allowable placement of initial point code of a label, as well as restrictions on composition. These are implemented with the following rules:
The LGR includes the rules and actions to implement the following restrictions, some of which are mandated by the IDNA protocol. They are marked with ⍟ and included here by default.
Language-specific rules in this LGR already prevent combining marks in leading position making the "leading-combining-mark" rule technically redundant. It is retained here for consistency.
This LGR includes the complete set 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] and [150]. An additional action is triggered by mixed digit labels.
The LGR defines the following script-specific rules concerning the placement of final marks and preventing some combinations.
This Second Level Reference LGR for the Inuktitut Language was developed by the Inuktitut community and edited by Asmus Freytag and Michel Suignard, based on community feedback and public review.
Adopted from the Second Level Reference LGR for the Inuktitut Language [Ref-LGR-iu-Cans] without normative changes.
This document cites the following general references.
References [0] to [23] refer to the Unicode Standard versions in which the corresponding code points were initially encoded. References [400] and above correspond to sources given in [Proposal-Inuktitut] justifying the inclusion of the corresponding code points. Entries in the table may have multiple source reference values. In the listing of whole label evaluation and context rules, reference [150] indicates the source for common rules.