Arabic percent sign and percent signs in RTL scripts

[Khaled Hosny]

On Tue, Feb 04, 2014 at 03:43:37PM +0100, Martinho Fernandes wrote:
> Is the arabic percent sign (U+066A) just a typographical variation of
> the "normal" percent sign (U+0025) or is it somehow more distinct than
> that?

The former. It is mainly used when Arabic-Indic or Extended Arabic-Indic
digits are used.
 
> What about its placement? Is it placed to the left or to the right of
> the digits it applies to?

It should follow the digit in the input stream, and its proper visual
placement should be handled by the Unicode bidirectional algorithm.

Regards,
Khaled