On Mon, 17 Oct 2011 05:57:33 +0200
Eli Zaretskii <[email protected]> wrote:

> > Date: Sun, 16 Oct 2011 22:47:08 +0100
> > From: Richard Wordingham <[email protected]>
> > List-software: Ecartis version 1.0.0
> > 
> > HTML 4.0 and 4.0.1 Section 8.2 Paragraph 3 Section 2 states, "If a
> > document does not contain a displayable right-to-left character, a
> > conforming user agent is not required to apply the [UNICODE]
> > bidirectional algorithm."  The example file contains no
> > right-to-left characters, so application of the bidi algorithm is
> > optional.
> 
> What does it mean by "right-to-left character"?  Does it mean
> only characters whose bidi type is STRONG R?  That is, do characters
> of type Arabic Number not count?

I don't know of an authoritative definition, but as Arabic numbers are
stored left-to-right, and as to distinguish Western Arabic-Indic
digits (AN) from Eastern Arabic-Indic digits (EN) smacks strongly of
the UBA, I would say characters of type AN do not count as
right-to-left characters.

Richard.

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