Re: [alreq] Add Western Arabic Numerals (ASCII) to A.3 Numeral characters

Not sure if this helps, but you can put [registered number system identifiers](http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/number.xml) into BCP47 extension U.  For example, `ar-u-nu-arabext` is a valid BCP47 language code. See [Unicode TR35](http://unicode.org/reports/tr35/#UnicodeNumberSystemIdentifier) for background.

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Received on Tuesday, 31 October 2017 21:45:33 UTC