From: Alexey Beshenov <al@beshenov.ru>

Date: Wed, 12 Sep 2007 19:01:33 +0400

To: "Andy Laws" <adlaws@gmail.com>

Cc: WAI Interest Group list <w3c-wai-ig@w3.org>

Message-Id: <200709121901.34798.al@beshenov.ru>

Date: Wed, 12 Sep 2007 19:01:33 +0400

To: "Andy Laws" <adlaws@gmail.com>

Cc: WAI Interest Group list <w3c-wai-ig@w3.org>

Message-Id: <200709121901.34798.al@beshenov.ru>

On Wednesday 12 September 2007 17:38, you wrote: > Can any one please advise on best practices for marking up Mathematical > Symbols such as ------> ø Unicode contains most of the needed symbols. I think you mean mathematical expressions, not only separate operators/signs. You should use proper markup language for mathematical content, MathML. It's not widely supported (as far as I know, by Geckos native engine and MSIE standalone plugins only), but it's supposed to be the most accessible technology. If you need to support users with old graphical browsers, you can use images. Good idea is to prepare them with LaTeX (as far as I know, there are no better rendering engine) and use LaTeX code as alternative text. There are some XSLT solutions for LaTeX to MathML conversion, so there are no need to work with LaTeX manually. Anyway, it's better to suggest users to choose from MathML and images. See the W3C MathML FAQ http://www.w3.org/Math/mathml-faq.html for more information on MathML (note that some information on implementations isn't up-to-date). P.S. It seems that your message contains typo. 'ø' is the U+00F8 "LATIN SMALL LETTER O WITH STROKE" (which is not a mathematical symbol), I think you want to use the U+2205 "EMPTY SET". -- Alexey Beshenov <al@beshenov.ru> http://beshenov.ru/Received on Wednesday, 12 September 2007 15:01:52 UTC

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