From: Benjamin Peterson (ben@jbrowse.com)
Date: Wed Mar 24 2004 - 14:33:44 EST
On Wed, 24 Mar 2004 14:09:11 +0000, "Michael Everson"
<everson@evertype.com> said:
> At 14:49 +0100 2004-03-24, Chris Jacobs wrote:
> > > It seems strangely inconsistent to me that Unicode has detailed controls
> >> for horizontal layout direction and the complex bidi algorithm, but has
> >> nothing for vertical layout. I can force Latin text to be rendered right
> >> to left or Hebrew left to right (although such overrides are hardly
> >> plain text issues), but there is no way I can select vertical layout
> >> even for languages in which that is a normal way of writing. We already
> >> have U+202A LEFT-TO-RIGHT EMBEDDING and U+202B RIGHT-TO-LEFT EMBEDDING.
> >> It would be easy to define new characters TOP-TO-BOTTOM EMBEDDING and
> >> BOTTOM-TO-TOP EMBEDDING, with similar scope until the next PDF
> >> character.
> >
> >Which scripts are written bottom to top in vertical layout?
>
> Ogham and sometimes Tifinagh.
<worthless trivia>
Also Numidian (if you count it seperate from Tifinagh), and various
scripts from the Philippines: Tagalog (and its relatives) and Mangyan.
The surviving Mangyan users seem to write it left to right when using
paper, though.
<end of worthless trivia>
-- Benjamin Peterson bjsp123@imap.cc
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