Eemeli Aro

I'm a little puzzled about the explicit choice made here of only allowing RLM and LRM, as opposed to other directional formatting characters. Why is that preferable here to LRI/RLI/FSI/PDI,...

Is that trailing newline intended to be localizable? As in, are the locales in which it should be left out? If so, then you may need to include it as...

The perhaps more relevant prior discussion is #610, where I hit the same issue.

Without a second encoding argument `readFile()` returns a Buffer, not a string.

Sure, that makes sense. Feel free to submit a PR adding a better error to `parseDocument()` and `parseAllDocuments()`. Probably something simple that's just checking `typeof source === 'string'`. It'll probably...

In unicode-org/message-format-wg#915, we added required support for `currencyDisplay=formalSymbol` and `currencyDisplay=never` in MF2, but left out the "variant" option that ICU also supports. It would be useful to add these two...

@sffc When we discussed this on yesterday's call, you raised a concern about "formal" potentially referring to formal symbols of Eastern Asian currencies. Looking into this, CLDR does not provide...

A proposal for this is now available: https://github.com/eemeli/proposal-intl-currency-display-choices

It looks like that case is the only use of `alt="formal"` in CLDR data, added in [CLDR-11190](https://unicode-org.atlassian.net/browse/CLDR-11190), and there too it's used to differentiate between the `$` and `NT$` variants,...

As the workaround works, I'm going to aim to fix this properly within a few months as a part of the work for #3538, rather than hurrying along an intermediary...