A small portion of people whose native writing system are based from Latin alphabet believes that case conversion is an essential must have feature and having t

A small portion of people whose native writing system are based from Latin alphabet believes that case conversion is an essential must have feature and having that feature in locale library help the localization. But if you consider the other writing systems, having case conversion feature in locale library actually harm the localization effort. It's not easy to make it no-op. The implementation of locale library are generally poor quality because the implementer has no idea how other languages works. Another example is singular/plural support. It just burden the localization effort because for languages which no such concept, the localization work must ensure that presence of such library doesn't harm their language. Some people is under the delusion that locale library must have more features to support his native languages not so important traits. While what really necessary is just forget about supporting minor language traits that are not universal among the languages. The text should be considered binary blob and most program should pass it left to right without modification.