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RE: Mirroring Unicode symbols in Arabian

From: Murray Sargent <murrays@exchange.microsoft.com>
Date: Wed, 20 Feb 2013 16:35:54 +0000
To: Khaled Hosny <khaledhosny@eglug.org>, Neil Soiffer <NeilS@dessci.com>
CC: Kent Karlsson <kent.karlsson14@telia.com>, David Carlisle <davidc@nag.co.uk>, Daniel Marques <dani@wiris.com>, "www-math@w3.org" <www-math@w3.org>
Message-ID: <2eddb0eea9d34015a9197f13d1fc65a3@DFM-TK5MBX15-06.exchange.corp.microsoft.com>
I think that mirrored characters than don't have a mirrored character counterpart should be accessed by the 'rtlm' OpenType feature. But those that do have a mirrored character counterpart should not use the 'rtlm' feature since else they'll get remirrored when shaped. This is the approach I used in my RTL math zone prototype for MathML 3. I have a special copy of Cambria Math with 'rtlm' features for various operators such as integrals and summations. The approach works well. The font isn't complete enough though for more than just prototyping.

Murray

Khaled Ghetas noted:

XITS Math fonts has mirrored math characters, but they are accessible only with 'rtlm' OpenType feature (but it is possible to build a special version of it with the RTL glyphs as the default).
https://github.com/khaledhosny/xits-math

Received on Wednesday, 20 February 2013 16:37:33 GMT

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