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From: "Morrison, John" <John.Morrison@uk.experian.com>
To: "'forrest-dev@xml.apache.org'" <forrest-dev@xml.apache.org>
Subject: RE: Graph data
Date: Thu, 21 Feb 2002 14:04:36 -0000
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> From: David Crossley [mailto:crossley@indexgeo.com.au]
> 
> Steven Noels wrote:
> > David Crossley wrote:

<snip/>

> The only suggestion that i have at this stage is that
> you get some of the data munging done at Sam's end.
> 
> One thing that i am still confused about is why the
> final structure has <datum> elements as children of a
> <datum> element. Surely that would confuse the next
> stylesheet.

This is because the individual numbers weren't in the
original plan.  However, now I've seen them I wouldn't
loose them.  Better tag names welcome :)

J.

> <graph>
>  <data group="Downloads">
>   <datum total="3441" week="2001-43">
>    <datum value="90" dir="axis" /> 
> ...
>    <datum value="64" dir="xerces-p" /> 
>   </datum>
> 
> That is one reason that i asked if you had DTD yet,
> actually an internal subset will suffice. I think that defining
> the structure helps to visualise both the process and the
> requirements. Here is a start (but it does not make sense to me).
> 
> <?xml version="1.0"?>
> <!DOCTYPE graph [
> <!ELEMENT graph (data+,events)>
> <!ELEMENT data (datum+)>
> <!ELEMENT datum (datum+)>   <!-- <<<<<< Woops -->
> <!ELEMENT datum EMPTY> 
> <!ELEMENT events (event+)>
> <!ELEMENT event EMPTY> 
> ]>
> 
> <graph>
> ...
> 
> Anyway, my parser chokes on this ...
> Error: duplicate declaration for element 'datum'
> 
> --David


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