From: Jason White <jasonw@ariel.ucs.unimelb.EDU.AU>

Date: Tue, 26 Jan 1999 11:04:05 +1100 (AEDT)

To: WAI Markup Guidelines <w3c-wai-gl@w3.org>

Message-ID: <Pine.SUN.3.95.990126104117.16632C-100000@ariel.ucs.unimelb.EDU.AU>

Date: Tue, 26 Jan 1999 11:04:05 +1100 (AEDT)

To: WAI Markup Guidelines <w3c-wai-gl@w3.org>

Message-ID: <Pine.SUN.3.95.990126104117.16632C-100000@ariel.ucs.unimelb.EDU.AU>

The only unique aspect, so far as markup is concerned, is the mathematical notation; and we have already devised solution strategies in this area, namelY: Interim: where images are used to convey mathematical content, provide an equivalent markup notation (E.G. TeX) as alternative text. 2. Use MathML to represent mathematics. These requirements can be absorbed into the existing guidelines. I agree with Charles that what is needed is at most a checkpoint or two, and not a separate guideline. The second point, concerning alternative text, can be added as a checkpoint to A1: "Until the Mathematical Markup Language (MathML) is widely supported by browsers, images, accompanied by alternative text, may be used to represent mathematical content. In such cases, the ALT text should convey the mathematical symbols using a human-readable markup notation, E.G. TeX." (Priority 1). Explanation of priority: the information will be inaccessible if the the alternative text is not included. Second suggestion, under guideline A14, provide either (1) an informative, non-exhaustive list of W3C technologies: "Note: W3C technologies include HTML, XML, CSS, XSL, MathML, Smil, etc.", or (2) a link to such an informative list, maintained in the techniques document or elsewhere. The list should include MathML just for the sake of reinforcing its importance. It could even be included briefly in the statement of guideline A14: "(E.G. HTML, CSS, XSL, XML, MathML, SMIL, etc.)".Received on Monday, 25 January 1999 19:04:13 GMT

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