Thank you for the reply.
On Thu, 14 Feb 2002, David Starner wrote:
> On Fri, Feb 15, 2002 at 01:44:03PM +0900, Gaspar Sinai wrote:
> > Which pretty much shows that there is an ambiguity and the
> > algorithm should change. My argument would be: if it needs to be
> > changed anyway can it be changed to make digital signatures easier
> > and put scripts, like Old Hungarian (rovasiras) in it that can be
> > written in both directions?
>
> Unicode handles scripts that can be written in both directions - that's
> part of what the directionality overrides are there for. But how do you
> have a reversiable algorithim that handles scripts that can be written
> in both directions? ("ab" and "<RTL>ba</RTL>" both render to ab.)
Could it be the color of the rendered text that would make the
distinction? But in Hungarian rovasiras it could be much easier:
the RL glyphs are mirror images of the LR glyphs according to
the original proposal.
Gaspar
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