Thin space insertion between currency sign and numbers

[hfhchan-plb]

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Is it possible to force Intl.NumberFormat to add or not add a thin space or narrow no-break space between the currency sign and numbers, and/or between the number and the percentage sign?

[sffc]

Translators contribute this data to CLDR as a locale-specific setting. Some locales have a space, and others don't.

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