[HarfBuzz] How to use 'locl' feature of Noto Sans CJK with Harfbuzz?

[Arthur Reutenauer]

> Since we have everyone's attention, lets do a cleanup of that list in light of
> new OpenType 1.7 language tags.  Arthur already volunteered (off-list) to send
> a Pull Request, and we can all refine it there.

  I will, just not right now but by the end of the week (unless someone
beats me to it, of course).

	Best,

		Arthur