Most of those systems are terrible at handling non-latin text because they get all these things wrong. Of course it's "easy" to handle length in these cases, th

Most of those systems are terrible at handling non-latin text because they get all these things wrong. Of course it's "easy" to handle length in these cases, they've selected out any kind of text that makes handling length hard. The mere assumption that "one glyph" is a meaningful well-defined concept that works across languages is the problem here.