On Jan 9, 2008, at 20:51, Christopher R. Maden wrote:
On Wed, 2008-01-09 at 20:29 +0100, Andreas L Delmelle wrote:
At first glance, it seems to be something that applies to
"accessibility" of information in general (is not restricted to
printed media).
Yes. It would be better to make the information available in the PDF
available in other formats as well. This was kind of the point of XML
and XSL: provide your information via multiple channels.
Note that the 'Common Accessibility' properties, as defined by the
XSL Rec, are for the largest part unimplemented in FOP at the moment.
I’m honestly not sure what FOP would do with them, anyway. A
single XSL
stylesheet might say that emphasis should be both bold and loud, but I
would expect a print formatter to ignore the loudness just as I would
expect an audio formatter to ignore the boldness.
OK. What I meant was more that, some PDF viewers offer room for both.
Adobe Reader has a 'Read Out Loud' option, which is available for
PDFs generated by FOP.
What I do know for certain is that FOP currently simply ignores the
applicable properties, while in theory, it seems that the PDF
renderer could actually do something with those.
Maybe Adobe Reader could make use of XSL's accessibility properties,
if FOP generated extra info in its PDFs. Right now, reading a page
out loud is still a quite monotonous experience (worse than the
average lecture in a university or parliament ;-))
And then, there is of course the possibility of someone coming up
with an AudioRenderer that renders the input document to a series of
standard audio output formats, on top of the current output formats.
Cheers
Andreas
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