> >They do not. A user of PUA characters is free to define the
> >whole range of PUA characters as consisting of strong R-to-L
> >characters and implementing accordingly. ...
> 
> This is not true! Users can define only those properties which the 
> software that they are using allows them to define.

I would expect any application to allow _all_ properties to be
defined by the user for each and any PUA charakter.
If not so, it's a bug in the application! (at least if it can
handle charakters with the same properties elsewhere in the Unicode.)

-- 
Dominikus Scherkl
[EMAIL PROTECTED]

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