Re: Possibly stupid question...

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On Tue, 2004-08-31 at 10:16, Dave Pawson wrote:

Dave:

Thanks for the corrections to my example.  I had mainly made that up
from the top of my head, which is why it doesn't exist anywhere yet. :)

We illustrated the point well, though -- properly marked up content can
be used in many different ways, and it is important to use tags
correctly.  We need to envision our document output being styled in many
different ways and languages.  One of the powers of DocBook is that it
gives you a single-source that can be made into many forms of highly
accessible output.

- Karsten

> On Mon, 2004-08-30 at 23:22, Karsten Wade wrote:
> 
> > Here's an example to illustrate the value of proper content tagging and
> > not worrying about the presentation:
> 
> > One of your readers is very visually impaired.  She has to use two huge
> > monitors set at 640x480 with large fonts and contrasting colors, and has
> > both a regular and Braille keyboard, and a Braille printer for output.
> Braille keyboard normally ~= soft braille display,
> a beast that sits under the keyboard, with 40 or 80 character single
> line display.
>   
> > 
> > If your content was marked up with enough proper detail, an XSLT could
> > be used to get the XML ready for a custom low-vision reading system that
> > would:
> > 
> > * Take the <programlisting> blocks and send them intact to the reader's
> > monitor and Braille output printer (both configured to receive STDOUT);
> > this lets her see them on screen and confirm what she reads with Braille
> > output.
> 
> As it does with any html, wrapping only the content which is not marked
> as preserve space.
>   The problem with big magnification is that panning is usually
> mandatory, since (worst case I've seen) fewer than 20 chars are 
> visible on the screen at once?
>  Special stylesheets won't help in cases like that.
> 
> 
> > 
> > * Take the <gui...> elements and display them in a properly nested
> > fashion to STDOUT, similar to the way they give us File -> Edit -> Foo,
> > that could be a visually descending tree done in a very big font.
> 
> Except that a person whose reading media is tactile is restricted to
> tty class of output? I.e. line at a time, hence they need to 
> keep any 'visual' structure in their heads whilst reading.
> 
> 
> 
> > 
> > * Take the <screen> and <computeroutput> tags and send that content
> > straight to the console and Braille keyboard (STDIN), while teeing it to
> > STDOUT for confirmation via monitor and Braille printer.
> 
> I've never seen software or devices which split output like that
> Karsten. Assistive technology on Linux is quite good at accessing
> html output.
> 
> And if current trends are maintained, the combination of braille output
> and low vision tools is a waste of time.
>   The number of people learning braille is diminishing.
> 
> regards,
> also,
>   david.pawson@xxxxxxxxxxx
> http://www.rnib.org.uk
> 
> 
> -- 
> Regards DaveP.
> XSLT&Docbook  FAQ
> http://www.dpawson.co.uk/xsl
-- 
Karsten Wade, RHCE, Tech Writer
a lemon is just a melon in disguise
http://people.redhat.com/kwade/
gpg fingerprint: 2680 DBFD D968 3141 0115  5F1B D992 0E06 AD0E 0C41



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