Re: bidi or multi algorithm?

[Rick McGowan]

Elaine...  Quick reply, sorry.  I should be more verbose, but I hope 
others can chime in.

 > Is Unicode's so-called "bidi algorithm" really bidirectional, that is,
 > does it govern horizontal text layout in right-to-left and left-to-
 >right languages?

Yes.

 > Or is "bidi" a metaphor here, for more possible text orientations,

No.

It only deals with LR and RL.  It is a model, however, for the kinds of 
issues that will be involved in vertical writing when someone takes up 
that problem.

        Rick