Use locale defined digits instead of 0-9 #731

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1. akx commented on Oct 1, 2020

   

   akx

   on Oct 1, 2020

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   This was somewhat implemented in #470 (which would need rebasing), but we'd also need to be very careful with backward compatibility; a Babel version upgrade can't have numbers start getting spelled differently...

   Also ref #446
2. snoopyjc commented on Oct 1, 2020

   

   snoopyjc

   on Oct 1, 2020

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   Thanks - it's not a 1-to-1 mapping though. For example, several languages (e.g. Chinese, which is also used in Japanese) have digits for 10, 100, 1000, etc, so you write 1350 as One Thousand (一千) Three Hundred (三百) Five Tens (五十). Ref: https://en.wikibooks.org/wiki/Chinese_(Mandarin)/Numbers
3. snoopyjc commented on Oct 11, 2020

   

   snoopyjc

   on Oct 11, 2020

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   @akx maybe follow Excel’s lead where they add [DBNumN] to the number format to use locale digits, ie add an extra parameter to format_decimal to enable it.