Thread:Talk:Requests for comment/Localisation format/A quite popular case.../reply (4)

True, but the one language per file could be a convention, instead of a technical rule of our logic to read the datafilee of course. Or you could add another convention and say that people should use  if they are putting all languages in a single file, if you want to still enable this, but not allow people to put multiple languages in a single file.