Shane F. Carr

Validator doesn't need to be in the spec, but it is important for it to exist and be utilized. Another thought: the message bundle format could have a header listing...

I guess the main theme through these various solutions is that there should ideally be a naming scheme for optional features. We can't talk about optional features unless they have...

There are a couple intersecting issues here. The tl;dr is that you should use separate units "kilobyte", "megabyte", etc., until we have proper unit selection. The full story is: 1....

TG2 discussion: https://github.com/tc39/ecma402/blob/master/meetings/notes-2023-12-14.md#numberformat-has-odd-behaviour-for-narrowcompact-display-of-bytes-730

CLDR issue: https://unicode-org.atlassian.net/browse/CLDR-17952

TG2 discussion: https://github.com/tc39/ecma402/blob/main/meetings/notes-2024-12-19.md#section-91-availablelocales-shouldnt-require-base-language-if-script-is-present-947

CC @eemeli I think my main problem here is that the spec _requires_ `zh` to be supported if `zh-Hant` is supported, _even if_ the user agent does _not_ believe that...

This is question is about `LookupMatchingLocaleByBestFit` vs `LookupMatchingLocaleByPrefix`, I think. Both ICU4C and ICU4X, in their default "best fit" fallback, consider zh-TW to fall back to zh-Hant and then to...

Privacy/fingerprint concerns aside, an engine might choose to add additional languages during the runtime. This came up in the case of the text translation API being proposed in W3C. The...

Huh? We've had extensive discussion about engines adding locales at runtime. That's very much in the scope of what a compliant ECMA-402 implementation _could_ or _should_ be able to do,...