From: Peter Krautzberger <peter.krautzberger@mathjax.org>

Date: Tue, 5 Nov 2013 11:28:48 -0800

Message-ID: <CABqxo82Oibvuf==q3Yi+qx6pqoLrV52XfGUaschiEXj7dAwL_w@mail.gmail.com>

To: Frédéric WANG <fred.wang@free.fr>

Cc: Khaled Hosny <khaledhosny@eglug.org>, "www-math@w3.org" <www-math@w3.org>, Azzeddine LAZREK <a_lazrek@yahoo.fr>

Date: Tue, 5 Nov 2013 11:28:48 -0800

Message-ID: <CABqxo82Oibvuf==q3Yi+qx6pqoLrV52XfGUaschiEXj7dAwL_w@mail.gmail.com>

To: Frédéric WANG <fred.wang@free.fr>

Cc: Khaled Hosny <khaledhosny@eglug.org>, "www-math@w3.org" <www-math@w3.org>, Azzeddine LAZREK <a_lazrek@yahoo.fr>

I'm wondering how many BIDI variants there are to consider. From http://www.w3.org/TR/arabic-math/, I see 3-4 different styles of BIDI math. These should be reflected in a TeX-like syntax, I think. Are there other variants? Peter. On Tue, Nov 5, 2013 at 6:57 AM, Frédéric WANG <fred.wang@free.fr> wrote: > Le 05/11/2013 15:43, Khaled Hosny a écrit : > > > Since the direction of text and math are not always the same (many RTL >> languages set math LTR), the command need to be explicitly for math. >> > Yes, that was one of the reason to make Gecko interpret CSS direction > property the same way as MathML dir attribute (the other reason is that it > simplifies the implementation). In an ideal world where MathML > implementations are compatible with CSS, people could then just use > something like > > math { direction: rtl; } > > or with CSS selectors > > div.MyArabicDiv math { direction: rtl; } > > to set the direction on all the math elements rather than having to > explicitly attach a dir="rtl" attribute on each one. > > But if it is just some pseudo-LaTeX syntax, I don’t think the actual >> notation matters much, but \rtl{} looks more LaTeX-like to me. >> > Or perhaps \dir[rtl]{...} with an optional parameter so that someone can > still switch back to LTR with \dir[ltr]{...}. > > -- > Frédéric Wang > maths-informatique-jeux.com/blog/frederic > > >Received on Tuesday, 5 November 2013 19:29:17 UTC

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