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Subject: Re: [office] Are all charts always backed by a table?


Eike,

Eike Rathke wrote:
> Hi Pete,
>
> On Friday, 2008-08-01 16:29:31 -0500, Pete Brunet wrote:
>
>   
>> For accessibility purposes the AccSC needs to know if all ODF charts are 
>> *always* backed by a table.  (Tables are accessible and easier to navigate 
>> and interpret.)  Due to the use of the word "may" in sections 10.2 and 
>> 10.3 of the spec, it's not clear that all charts are *always" backed by a 
>> table.  Could someone please clarify this?  Does the text need to be 
>> touched up?
>>     
>
> For accessibility purposes it is not sufficient to read out the data of
> one entire table. A chart may have several data series represented as
> <chart:series> elements. Each series can point to a separate cell range
> using the chart:values-cell-range-address attribute. Additionally, also
> categories and other elements of a chart may point to individual cell
> ranges not necessarily part of the same table nor adjacent.
>
>   
Sorry, I am missing the import of your statement:

"For accessibility purposes it is not sufficient to read out the data of 
one entire table."

I agree with your statements about pointing to cell ranges but don't 
know how that affects accessibility?

Can you clarify the accessibility aspects of addressing multiple 
cell-ranges for a chart?

Thanks!

Hope you are having a great day!

Patrick


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