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Normative: Allow Collator to get collation from option #459

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merged 5 commits into from
Jan 5, 2021
Merged

Normative: Allow Collator to get collation from option #459

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e78413e
Allow Collator to get collation from option
FrankYFTang Jun 16, 2020
2e2592a
Move the reading of the collation option earlier
FrankYFTang Jun 16, 2020
2cb96f3
add reference of type to UTS 35
FrankYFTang Jun 17, 2020
494f5a5
change ` to *
FrankYFTang Jun 18, 2020
c38c436
change http to https
FrankYFTang Jun 20, 2020
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8 changes: 8 additions & 0 deletions spec/collator.html
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Expand Up @@ -14,6 +14,10 @@ <h1>InitializeCollator ( _collator_, _locales_, _options_ )</h1>
The abstract operation InitializeCollator accepts the arguments _collator_ (which must be an object), _locales_, and _options_. It initializes _collator_ as a *Collator* object. The following steps are taken:
</p>

<p>
The following algorithm refers to the `type` nonterminal from <a href="https://www.unicode.org/reports/tr35/#Unicode_locale_identifier">UTS 35's Unicode Locale Identifier grammar</a>.
</p>

<emu-alg>
1. Let _requestedLocales_ be ? CanonicalizeLocaleList(_locales_).
1. If _options_ is *undefined*, then
Expand All @@ -29,6 +33,10 @@ <h1>InitializeCollator ( _collator_, _locales_, _options_ )</h1>
1. Let _opt_ be a new Record.
1. Let _matcher_ be ? GetOption(_options_, *"localeMatcher"*, *"string"*, &laquo; *"lookup"*, *"best fit"* &raquo;, *"best fit"*).
1. Set _opt_.[[localeMatcher]] to _matcher_.
1. Let _collation_ be ? GetOption(_options_, *"collation"*, *"string"*, *undefined*, *undefined*).
1. If _collation_ is not *undefined*, then
1. If _collation_ does not match the Unicode Locale Identifier `type` nonterminal, throw a *RangeError* exception.
1. Set _opt_.[[co]] to _collation_.
1. Let _numeric_ be ? GetOption(_options_, *"numeric"*, *"boolean"*, *undefined*, *undefined*).
1. If _numeric_ is not *undefined*, then
1. Let _numeric_ be ! ToString(_numeric_).
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