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Relative v absolute units (was Bobby inaccuracy?)

From: Rowan Smith <rowan@absolutely.co.nz>
Date: Wed, 16 Jan 2002 07:36:27 +1300
To: "Scarlett Julian (ED)" <Julian.Scarlett@sheffield.gov.uk>, <w3c-wai-ig@w3.org>
Message-ID: <IMEDJHJFHLCBOPPFCIBEOEDPCIAA.rowan@absolutely.co.nz>
This line is the one that interests me (from Julian Scarlett's post on Tue,
15 Jan 2002 10:08:52:

Line 39: <div style="height: 280; width: 400; border: none; float: right">

I'm still confused by this one - in this case absolute units are used to
size the layer, and it passes Bobby AAA. Checkpoint 3.4 (priority 2) says to
use relative units (ems or %), not absolute units. It then says "If absolute
units are used, validate that the rendered content is usable".

Can anyone elucidate what "rendered content is usable" means?

Thanks
Rowan

-----Original Message-----
From: w3c-wai-ig-request@w3.org [mailto:w3c-wai-ig-request@w3.org]On
Behalf Of Scarlett Julian (ED)
Sent: Tuesday, 15 January 2002 11:09 p.m.
To: w3c-wai-ig@w3.org
Subject: Bobby inaccuracy?


I've just run a AAA Bobby test on a page and although it passed it included
the usual user checks on colour and images conveying information ...

Line 39: <div style="height: 280; width: 400; border: none; float:
right"><img src="img/education.jpg" width="300" height="211" alt="Primary
school children using modelling clay in a classroom">
Received on Tuesday, 15 January 2002 13:38:06 GMT

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