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- From: Andrew Bunner <bunner@massquantities.com>
- To: xml-dev@ic.ac.uk
- Date: Tue, 08 Sep 1998 15:40:39 -0700
At 04:03 PM 9/8/98 -0600, you wrote:
>From the Microsoft site
http://www.microsoft.com/xml/tutorial/author_doc.asp
there is an example:
<books>
<book isbn="0345374827">
<title>The Great Shark Hunt</title>
<author>Hunter S. Thompson</author>
</book>
</books>
why isn't it:
<books>
<book isbn="0345374827" title ="The Great Shark Hunt" author="Hunter S. Thompson"
</book>
</books>
or
<books>
<book
<isbn>0345374827</isbn>
<title>The Great Shark Hunt</title>
<author>Hunter S. Thompson</author>
</book>
</books>
So far I have understood that the 3 notations are legal. But are they identical ?
They are definitely not identical, but they are all equally valid. The only difference is in how you access the information in your XML application. If you were using xt (a freeware XML processor), you could say attribute(isbn) or you could say {isbn} to get at that value.
I tend to use attributes in cases where the attribute value is likely to be short and all tags of with the same name are likely to have that attribute associated with them. Does anyone else have another (better?) rule of thumb?
-- Andrew
Andrew Bunner
President, Founder Mass Quantities, Inc.
Professional Supplements for the Perfect Physique
http://www.massquantities.com
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