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Images with captions and alt

for

From: Penny Roberts
Date: Aug 10, 2005 12:00PM

Hello all,
I'm new to the list. I've had a look in the archives but can't
find exactly what I need to know.
If an image has a caption which describes the image and the
alt would be very much the same wording should I use an empty alt instead?
For example: an image has a caption (which comes straight after the image
in the code) reads "Figure 6: The catalogue search results screen" and the
alt tag is "Catalogue screen showing search results". Wouldn't that be
redundant to anyone reading the screen with images turned off and just
plain annoying and time wasting to anyone hearing the screen?

Penny

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Penny Roberts
Radcliffe Science Library
Oxford