Ever want to run your OS in French but you live in America and type mostly in English?

http://www.tj-hd.co.uk/en-gb/languageswitcher/

Because if you want to use more than one language at a time on your computer you’re Doing It Wrong, because if you were doing it right, Apple would have provided a way to do it that way.

Astounding that this requires a 3rd-party application. Yes, it is possible to change the language in your document, but if you also use paragraph styles, they have a set languge.  And that set language doesn’t change when you set the language on the whole document.  And you can’t highlight the whole document of mixed languages and set the whole thing to one of them.  Usability at its finest.

Apple, some computer users do know how to operate computers.