Brilliant idea.
The very few tools which do permit visualisation of
a DTD have foibles.

There is a UML viewer available from Glasgow Uni I think.
Even if it only permitted 'visual browsing' it would be good.
Even better if we could use UML to generate a first cut
DTD?

Nice one.
Is it possible/sensible to do a straight transform to UMI,
which is then readable by a UML system?

regards, DaveP

>-----Original Message-----
>From: Sam.Walker [mailto:Sam.Walker@xxxxxxxxxxxxxx]
>Sent: 13 September 1999 13:49
>To: xsl-list@xxxxxxxxxxxxxxxx
>Subject: expressing DTDs with UML
>
>
>I have recently discovered what I consider quite a useful means of
>expressing DTDs. I found that UML class diagrams could quite accurately
>capture the information in a DTD. It seems to also permit more 
>constraining
>definitions on the tag list. I have always found it very 
>boring and hard
>reading to actually browse a dtd document, and I still don't really
>understand the syntax. I don't know if this has come up 
>before, or if there
>are already tools out there, but I thought it was worth a mention. 
>A UML - DTD mapping:
>package - document type
>class - a tag
>attribute - a tag parameter
>association - hyperlink
>aggregation - allows expression of tag hierachy e.g. <car> ... <wheel
>location="left_rear"></wheel></car>
>inheritance - a means for sharing / inheriting attributes, 
>relationships
>
>I haven't discovered a use for methods yet! However, these 
>could form part
>of the XSL definition perhaps.
>Ideally the end result would be using a standard UML editor, with two
>buttons "generate XSL", "generate DTD" button.
>
>Sam
>-------------------------------------------------------
>ANRITSU LTD
>_/_/_/  Sam Walker  _/_/_/
>    Software Developer
>        ANRITSU LTD
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>
>
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