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If the same character (or a sequence of characters) exists in the collation element table through table, mapping to collation elements is overridden. see 5 Tailoring 9.1 Allkeys File Format, UTS #10. If omitted (or $levelNumber is undef or is ), forwards at all the levels. backwards => $levelNumber or in reverse order ex. see 3.2.2 Alternate Weighting, version 8 of UTS #10įor backward compatibility, alternate (old name) can be used as an alias for variable. * Many hangul jamo are assigned at UCA_Version 20, that will affect hangul_terminator. * Characters regarded as CJK unified ideographs (cf. * Treatment of ignorables after variables and some behaviors were changed at UCA_Version 9. * Fully ignorable characters were ignored, and would not interrupt contractions with UCA_Version 9 and 11. * Out-of-range codepoints (greater than U+10FFFF) are not ignored, and can be overridden since UCA_Version 22.
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U+FFFF) are not ignored, and can be overridden since UCA_Version 22. * See below for long_contraction with UCA_Version 22 and 24. If omitted, the return value of UCA_Version() is used. If the revision (previously "tracking version") number of UCA is given, behavior of that revision is emulated on collating. Hangul_terminator => $term_primary_weight, $Collator = Unicode::Collate->new(Īlternate => $alternate, # alias for 'variable'īackwards => $levelNumber, # or => $element, If new() is called with no parameters, the collator should do the default collation. The new method returns a collator object. UTS #10) - Unicode Collation Algorithm (a.k.a. This module is an implementation of Unicode Technical Standard #10 (a.k.a. Otherwise you can use preprocess or should decode them before. See perlunicode, perluniintro, perlunitut, perlunifaq, utf8. Note: Strings in $a and $b are interpreted according to Perl's Unicode support. $Collator = $Collator->cmp($a, $b) # returns 1, 0, or -1. Unicode::Collate - Unicode Collation Algorithm #SYNOPSIS use Unicode::Collate