Less free underscores in number literals

[Kagamin]

Olivier Pisano Wrote:

> Chinese and Japanese people do create large numbers are by grouping 
> digits in myriads (every 10,000) rather than the Western thousands (1000) :
> 
> http://en.wikipedia.org/wiki/Japanese_numerals#Large_numbers

It's how their language builds numbers. Numbers written in ideographs use this grouping, but this doesn't mean, they use the same grouping for arabic digits. For example, amazon.co.jp uses arabic numbers and western 3-digit grouping.