From: Azzeddine LAZREK <lazrek@ucam.ac.ma>

Date: Sat, 4 Dec 2004 11:09:19 -0000 (WET)

Message-ID: <1441.192.168.160.64.1102158559.squirrel@www.ucam.ac.ma>

To: <www-math@w3.org>

Date: Sat, 4 Dec 2004 11:09:19 -0000 (WET)

Message-ID: <1441.192.168.160.64.1102158559.squirrel@www.ucam.ac.ma>

To: <www-math@w3.org>

Hello, Please, let me present some comments. I tank that: - It’s preferred to speak about “Mathematical presentation in an in an Arabic alphabet based script » that can be abbreviated by Arabic mathematics, instead of RTL math or RTL language. - I am not sure that a single attribute is enough to control layout direction. Such confirmation needs more investigation. Of course, one of the particularities of the Arabic mathematics is the RTL direction of writing. In addition, there are some Arabic mathematical symbols with a representation that has nothing to see with the Latin based equivalent symbol. This requires probably the introduction of new elements into MathML. In some mathematical expressions, either component’s order inversion and/or glyph’s inversion are not enough to obtain the Arabic equivalent expression. Then, a particular treatment is necessary. We are working on a new version of Dadzilla (Mozilla’s version for Arabic mathematical expressions with MathML). The same names of already existing MathML elements can be used after specifying the environment by a single attribute. But, some problems are not yet solved. In particular, the choice of fonts in order to have the two mathematical presentations (Latin and Arabic) in the same document and the necessity of the use of the element <rl> introduced for the specification of RTL direction still remain unsolved. - Another issue can be the automatic translation of expression. There is probably a huge viable market for Arabic script based languages mathematics software. There should be more than 450 millions of potential users for such materiel. The use of computers in education is rapidly growing all over this local area. I am agreeing with the others points. For all helps, Azzeddine LAZREKReceived on Saturday, 4 December 2004 11:13:43 UTC

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