Aloha, Found this useful site which has a variety of approaches to math text descriptions[1]. It discusses the elements as mentioned by Christopher:
* image * code * description (natural language summary (for alt or longdesc) [1] http://nimas.cast.org/about/resources/math/text_descriptions.html -- Sincerely, Jeff McNeill http://jeffmcneill.com/ On 10/26/07, Christopher St John <[EMAIL PROTECTED]> wrote: > On 10/26/07, Jeff McNeill <[EMAIL PROTECTED]> wrote: > > > > Not quite sure that (alt="") is not its intended or suggested use ... > > > > There are (at least) three artifacts involved: > > a) The text that should be pronounced by a screen reader ( the alt > text in <img > src="http://jeffmcneill.com/cgi-bin/mimetex.cgi?E(aX+b)=aE(X)+b" > alt= "E(aX+b)=aE(X)+b" /> ) > > b) The underlying semantic representation, possibly MathML, > possibly TeX). As (a) shows you can sometimes _say_ TeX (and > sometimes arguably not: \Large f(x)=\int_{-\infty}^x e^{-t^2}dt), but > nobody should ever be forced to listen to MathML spoken aloud > because it looks like this: "...<mrow><msup><mfenced open= > "[" close="]"><mrow><mi>a</mi><mo>+</mo>..." > > c) The <img> that is the rendering of the underlying semantic > markup. > > But the Wikipedia work is certainly a good start at an examples list, > and in my Googling around I came across several others. Although I > have a sneaking suspicion this might not really be a big-M uf thing, > it's certainly seems worth gathering more examples as ammunition > for whatever next step is appropriate. > > On 10/26/07, Paul Topping <[EMAIL PROTECTED]> wrote: > > ... It is > > exactly this kind of hack that I'm looking to microformats to escape > > from. > > > > In that case, you're going to _hate_ microformats, because they > don't so much escape those kinds of hacks as enshrine them > as standards :-) > > -cks > > -- > Christopher St. John > http://artofsystems.blogspot.com > _______________________________________________ > microformats-new mailing list > [email protected] > http://microformats.org/mailman/listinfo/microformats-new > _______________________________________________ microformats-new mailing list [email protected] http://microformats.org/mailman/listinfo/microformats-new
