Construct localized key name from key and locale.
localized key in form keylocale. Automatically omits locale encoding if present.
assert(localizedKey("Name", "ru_RU") == "Name[ru_RU]"); assert(localizedKey("Name", "ru_RU.UTF-8") == "Name[ru_RU]");
separateFromLocale
See Implementation
Construct localized key name from key and locale.