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Unicode 15.1 added the following "simple" case-folding entries: ``` 1FD3; S; 0390; # GREEK SMALL LETTER IOTA WITH DIALYTIKA AND OXIA 1FE3; S; 03B0; # GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND OXIA FB05; S; FB06; # LATIN SMALL LIGATURE LONG S T ```
26 lines
1.1 KiB
JavaScript
26 lines
1.1 KiB
JavaScript
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-runtime-semantics-canonicalize-ch
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description: >
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Case-insensitive Unicode RegExps should not apply full case folding mappings
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info: |
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Canonicalize ( _rer_, _ch_ )
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1. If _rer_.[[Unicode]] is *true* and _rer_.[[IgnoreCase]] is *true*, then
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a. If the file `CaseFolding.txt` of the Unicode Character Database provides
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a simple or common case folding mapping for _ch_, return the result of
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applying that mapping to _ch_.
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b. Return _ch_.
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See https://unicode.org/Public/UCD/latest/ucd/CaseFolding.txt for the case
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folding mappings.
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---*/
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assert(/[\u0390]/ui.test("\u1fd3"), "\\u0390 does not match \\u1fd3");
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assert(/[\u1fd3]/ui.test("\u0390"), "\\u1fd3 does not match \\u0390");
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assert(/[\u03b0]/ui.test("\u1fe3"), "\\u03b0 does not match \\u1fe3");
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assert(/[\u1fe3]/ui.test("\u03b0"), "\\u1fe3 does not match \\u03b0");
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assert(/[\ufb05]/ui.test("\ufb06"), "\\ufb05 does not match \\ufb06");
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assert(/[\ufb06]/ui.test("\ufb05"), "\\ufb06 does not match \\ufb05");
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