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  • From: Richard Morris <webmaster@pfaf.org>
  • To: Permaculture Plant Database <pcplantdb@lists.ibiblio.org>
  • Subject: Re: [pcplantdb] Project Architecture time
  • Date: Wed, 12 Jan 2005 08:50:27 +0000

John Schinnerer wrote:
Aloha,

The question here is how to handle embedded hyperlinks in a block of text. For example the reference question or a relationship. A simple way
is to return an xml format text which does have markup,


Right, let me clarify what I mean - the data engine should not return any specific "presentation" markup (e.g. HTML, XHMTL, Structured Text, etc. etc.).
In short, the data engine don't do no presentation stuff nohow!


XML is indeed markup, so my use of that term was too ambiguous...

Cool, I had a feeling this was just a slight miss communication between the two of us. It being such a key issue its worth clearing up.
<gag>Ok course if we had a good sematic xml for email it would not have happened</gag>

If we are using XML for data transport then obviously the data engine will be spitting out XML-marked-up data and plenty of it!

> The API *should* provide ways to ask the data engine to perform all the > operations we can think of between a client and the data set (and be > expandable to those we haven't thought of yet). For example:


Argh, can make for a very complex server.

A good XML DTD could specify the API in a straight forward way.
I've done stuff like this in other projects, and its got lots of advantages.


I think that's what I mean...just didn't say it that way...if XML is our data transport then describing our XML is one way of specifying what the data engine will and won't do.

And, if XML lives up to the hype, we ought to be able to build extensibility in there too...?

This is the challange of creating a good DTD.

Rich
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