2015-04-28 10:09 GMT+02:00 Werner LEMBERG <w...@gnu.org>: > Yes, for typographic purposes. But typographic issues are not covered > by Unicode. AFAIK, the existence of half-width kanas in Unicode is > purely for backwards and round-trip compatibility. > Yes, compatibility with typographic conventions.
And yes I have seen half-width text rendered vertically (always rotated: I've not seen them for now aligned like in crosswords...).