It's not skimmed the article have a whole pararagrah entitled "Unicode To The Confusion" about that. What you infer about sorting is better described as collat

It's not skimmed the article have a whole pararagrah entitled "Unicode To The Confusion" about that. What you infer about sorting is better described as collation and is a separate set of problems. https://www.unicode.org/collation/ https://www.unicode.org/collation/ There can be multiple collations for the same encoding and even for the same language inside the same encoding. PS: As a matter of fact in some database like PostgreSQL you can define different collations for each columns if needed.