amaya Schema / DTD usage

Hi list,

Our company is looking towards a XML source control / editing system  
for our webbapps. Amaya is one of the products we are evaluating. Our  
apps are XML / XSLT / CSS source with logic defined by PHP 5, we have  
developed a publishing system that flat files any documents it can as  
XHTML and then pushed the result to our live servers.

We would like content editors or content creators to work with source  
XML, not resultant XHTML. So the question is:

1. Can we use XML schemas to control and validate our XML documents,  
or do we have to develop and use DTD's?

Many thanks



Jason
__________
Jason Lane (Development)

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