From: Stefan Persson (alsjebegrijptwatikbedoel@yahoo.se)
Date: Wed Mar 24 2004 - 10:05:33 EST
Mike Ayers wrote:
> Do you have examples of cases where vertical control has
> content? I thought there were no such cases known.
U+3031 and its voiced variant U+3032 are only appropriate to use in
vertical layout. These two characters are AFAIK only used in Japanese,
and the current recommendation is not to use them at all.
Unicode contains doubles of some CJK punctuation marks, one form for
vertical layout and one for horizontal layout. It is inappropriate to
use a vertical punctuation mark in horizontal writing, and vice versa.
I wonder why this was not solved in the same way as with LTR/RTL, where
some characters, e.g. parantheses, are mirrored when changing the
reading direction. In CJK this is a matter of turning the characters 90
degrees.
Stefan
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