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Bobby inaccuracy?

From: Scarlett Julian (ED) <Julian.Scarlett@sheffield.gov.uk>
Date: Tue, 15 Jan 2002 10:08:52 -0000
Message-ID: <F9BE3B1AB649D311A573009027852E4D01896687@EDUC_MXS>
To: w3c-wai-ig@w3.org
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. However it
flagged all lines with <img> in the section about using colour to convey
information as well as that about using images.

If you use color to convey information, make sure the information is also
represented another way.
<http://bobby.cast.org:80/bobby/html/en/gls/g245.html> (5 instances) 
Line 26: <div class="imageplacer"><a
href="http://www.sheffield.gov.uk/"><img src="img/scclogohome.gif"
width="90" height="70" alt="Sheffield City Council Logo - hyperlink to
Sheffield City Council home page " border="0"></a>.</div> 
Line 38: <img src="img/grad_lft.jpg" width="100%" height="5" alt=""> <br> 
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"> 
Line 78: <div style="height: 280; width: 400; border: none; float: right;
margin-right: 5%"><img src="img/education2.jpg" width="350" height="238"
alt="Primary school children playing basketball."></div> 
Line 121: <div align="right"><img src="img/grad_rht.jpg" width="100%"
height="5" alt=""><a name="4"></a>. 
If an image conveys important information beyond what is in its alternative
text, provide an extended description.
<http://bobby.cast.org:80/bobby/html/en/gls/g12.html> (5 instances) 
Line 26: <div class="imageplacer"><a
href="http://www.sheffield.gov.uk/"><img src="img/scclogohome.gif"
width="90" height="70" alt="Sheffield City Council Logo - hyperlink to
Sheffield City Council home page " border="0"></a>.</div> 
Line 38: <img src="img/grad_lft.jpg" width="100%" height="5" alt=""> <br> 
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"> 
Line 78: <div style="height: 280; width: 400; border: none; float: right;
margin-right: 5%"><img src="img/education2.jpg" width="350" height="238"
alt="Primary school children playing basketball."></div> 
Line 121: <div align="right"><img src="img/grad_rht.jpg" width="100%"
height="5" alt=""><a name="4"></a>. 

I've looked at the relevant guidelines (WAI checkpint 2.1) and can see no
reason for this.

Can anyone enlighten me?

tia
Julian


Julian Scarlett
Web Design & Document Management System Officer
PPU
Education Directorate 
Sheffield City Council
0114 2735721
mob 07904914976
julian.scarlett@sheffield.gov.uk 

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Received on Tuesday, 15 January 2002 05:11:00 GMT

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