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Re: SVG [WAS RE: Screen readers - usage stats?]

From: Charles McCathieNevile <charles@sidar.org>
Date: Wed, 28 Apr 2004 13:54:21 +0200
Message-Id: <C98662D6-990A-11D8-824D-000A958826AA@sidar.org>
Cc: w3c-wai-ig@w3.org
To: Scarlett Julian <Julian.Scarlett@sheffield.gov.uk>

While SVG doesn't have much facility for structuring text, and won't 
have word-wrap until version 1.2 is implemented (it is in the prototype 
tools, but not widely available since the specification is in working 
draft), there are simple ways of structuring text. One of the most 
obvious is to put anything beyond a label into HTML, using the 
foreignObject element.

Jonathan Chetwynd is collecting information on how to do accessibility 
in SVG on his Wiki: http://www.peepo.co.uk/pmwiki/pmwiki.php/Main/SVG



On 19 Apr 2004, at 10:05, Scarlett Julian wrote:

>>> Whilst SVG does give special prominence to text, it doesn't
>>> allow for structuring that text at any level beyond a
>>> consecutive run of text,
>> Or specifically, tiny runs of text, since it has no word-wrap,
>> and just as with PCL and other page layout stuff, there is neither
>> structure nor sequence to its XML based format. This makes it 
>> extremely
>> hard to reliably abstract the text from the source document in a 
>> reasonable
>> sequence.
>> For a reader not admiring the beauty of the visuals, perhaps just 
>> wanting
>> to abstract the textual information, its of little utility.
> Thanks to both of you for pointing this out. It seems I have been 
> working under the misguided impression that
> because SVG was XML it would be relatively easy to extract textual 
> info supporting the image :-(
> Back to the drawing board eh?
> J.
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Charles McCathieNevile                          Fundación Sidar
charles@sidar.org                                http://www.sidar.org
Received on Wednesday, 28 April 2004 07:57:47 UTC

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