[Webkit-unassigned] [Bug 241564] New: Intl.DateTimeFormat returns ethiopic-amete-alem rather than ethioaa for calendar in resolvedOptions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=241564

            Bug ID: 241564
           Summary: Intl.DateTimeFormat returns ethiopic-amete-alem rather
                    than ethioaa for calendar in resolvedOptions
           Product: WebKit
           Version: Safari 15
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: govett at adobe.com

In Safari, using the ethioaa calendar results in "ethiopic-amete-alem" being returned for the resolved calendar rather than "ethioaa".

> new Intl.DateTimeFormat('en-US-u-ca-ethioaa').resolvedOptions().calendar
"ethiopic-amete-alem"

In Chrome and Firefox, this returns "ethioaa". I believe "ethiopic-amete-alem" is an identifier used by ICU, but the canonical identifier used by CLDR is "ethioaa". Safari seems to be detecting the calendar correctly from the locale, just returning the wrong identifier in resolvedOptions.

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