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Re: creating netscape/explorer-readable HTML with Amaya

From: Charles McCathieNevile <charles@w3.org>
Date: Thu, 20 Jan 2000 17:10:33 -0500 (EST)
To: bglbv@my-deja.com
cc: www-amaya@w3.org, Irene VATTON <Irene.Vatton@inrialpes.fr>
Message-ID: <Pine.LNX.4.20.0001201709320.29532-100000@tux.w3.org>
One approach is to use the OBJECT element, to import the MathML content, and
if it can't be handled use an object element inside it to render soe other
kinds of content (image of the math, long wordy expression, latex, ...)

Charles McCN

On Wed, 19 Jan 2000 bglbv@my-deja.com wrote:

  In reply to Reynier Peletier's query about how to make Amaya-generated
  documents that use MathML readable with non-MathML compliant browsers,
  I would suggest that he stick to old-fashioned approaches like latex2html
  until such time as the browser market catches up.
  
  I'm impressed by his statement that he was able to use Amaya's MathML
  authoring support effectively. I still haven't got the hang of it. Could
  he, or anyone else, explain succinctly how to quickly compose what I would
  express in TeX as
  	$$ R^{\mu}\!_{\rho}{}^{\nu\rho} $$	?
  A stumbling block has been how to put two symbols in a superscript. 
  Getting the indices to line up properly is also... interesting.
  
  I'm also disappointed that Amaya has chosen to implement the "presentation"
  variant of mathematical mark-up rather than the content-oriented one. I would
  find the latter more natural (and more likely to be supported by aural
  browsers, not to mention future versions of latex2html). I understand it's
  only a prototype and that resources are limited, but still.
  
  (Will the new box model Irčne is working on be good enough to match the
  power of TeX's? _That_ would be interesting to have.)
  
  Back to Reynier's question: most people know that the <img> HTML element
  supports an attribute called "alt" that lets one supply an alternative
  for situations where the image cannot be displayed. Is there an easy way
  in XHTML to specify one or more "alt"ernatives for those browsers that
  don't support MathML mark-up? (One such alternative might be an inline
  image, but when using Lynx I'd actually prefer to see straight TeX or
  similar mark-up since the image won't display either.) If it turns out
  there is a good solution, maybe someone will actually implement it.
  

--
Charles McCathieNevile    mailto:charles@w3.org    phone: +61 (0) 409 134 136
W3C Web Accessibility Initiative                      http://www.w3.org/WAI
21 Mitchell Street, Footscray, VIC 3011,  Australia 
Received on Thursday, 20 January 2000 17:10:43 UTC

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