RE: multiple namespaces

> With this XML:
> 
>   <ns1:foo>some text</ns1:foo>
>   <ns2:bar>some text</ns2:bar>
> 
> Am I right in thinking I need two schemas - one for each namespace?

No, you need two *schema documents* each defining part of a single *schema*.

> Also, if I define a simple type of non-empty-string:
> 
>     <xs:simpleType name="non-empty-string">		
> 		<xs:restriction base="xs:string">		
> 			<xs:minLength value="1"/>		
> 		</xs:restriction>		
>     </xs:simpleType>	 	
> 
> ...when I refer to that type it seems I have to use the 
> prefix defined in the schema, for example to use the simple 
> type above I need:
> 
> <xs:element name="foo" type="ns1:non-empty-string"/>

No, you can omit the prefix, and the default namespace will be used (as
declared using xmlns="...". This is not necessarily the same as the target
namespace of the schema document).

>Am I missing something here?

Yes, I think so!

Michael Kay
http://www.saxonica.com/