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Editorial: Document behaviour of U extension values locale slots #823

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merged 4 commits into from
Sep 19, 2023
Merged

Editorial: Document behaviour of U extension values locale slots #823

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cf845cd
Added non-normative note on the behaviour of the string stored in [[L…
ben-allen Aug 9, 2023
b133147
fixed grammatical error
ben-allen Aug 11, 2023
d34b943
Update spec/negotiation.html
ben-allen Aug 31, 2023
757bd64
added language indicating that extension sequences are only removed f…
ben-allen Aug 31, 2023
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2 changes: 1 addition & 1 deletion spec/negotiation.html
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Expand Up @@ -260,7 +260,7 @@ <h1>ResolveLocale ( _availableLocales_, _requestedLocales_, _options_, _relevant
</emu-alg>

<emu-note>
Non-normative summary: Two algorithms are available to match the locales: the Lookup algorithm described in RFC 4647 section 3.4, and an implementation dependent best-fit algorithm. Independent of the locale matching algorithm, options specified through Unicode locale extension sequences are negotiated separately, taking the caller's relevant extension keys and locale data as well as client-provided options into consideration. The abstract operation returns a record with a [[locale]] field whose value is the language tag of the selected locale, and fields for each key in _relevantExtensionKeys_ providing the selected value for that key.
Non-normative summary: Two algorithms are available to match the locales: the Lookup algorithm described in RFC 4647 section 3.4, and an implementation dependent best-fit algorithm. Independent of the locale matching algorithm, options specified through Unicode locale extension sequences are negotiated separately, taking the caller's relevant extension keys and locale data into consideration as well as the client-provided options. The abstract operation returns a Record with a field for each key in _relevantExtensionKeys_, containing the selected values for those keys. This Record also contains a [[locale]] field which stores the language tag of the selected locale with Unicode locale extension sequence <code>key</code> subtags restricted to those in _relevantExtensionKeys_. If an extension's value is specified in the Unicode locale extension sequence and a different value for that extension is specified in an option, the value from the option is used to set the value of the corresponding field and the overridden extension keyword (the <code>key</code> subtag along with any immediately following <code>type</code> subtags and associated separators) is removed from the string stored in [[locale]].
</emu-note>
</emu-clause>

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