• From: "Costello, Roger L." <costello@m...>
• To: "xml-dev@l..." <xml-dev@l...>
• Date: Thu, 22 Jul 2010 07:54:30 -0400

I wrote:

>> <?xml version="1.0"?>
>> <!DOCTYPE bookstore [
>>      <!ENTITY include-file SYSTEM "http://www.xfront.com/catalog-test/toUpperCase.xsl">
>>      <!ENTITY import-file SYSTEM "http://www.xfront.com/catalog-test/toLowerCase.xsl">
>> ]>
>> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>>                  version="2.0">
>>
>>      <xsl:include href="&include-file;"/>
>>      <xsl:import href="&import-file;"/>"/>
>>

And David Carlisle responded:

> If you define an entity reference to an external parsed entity then 
> the replacement text of the entity is the content of the  file
> not the URL of the file so the xsl stylesheet referenced here is the
> one obtained by taking the content of the file toLowerCase.xsl 
> interpreted as a URL.

Oops!

Yes, quite right David.

So how are XML catalogs used? For example, can they be used with <xsl:include> elements? How would the above example be fixed?

/Roger

• Follow-Ups:
  • Re: Understanding XML catalogs: what they are, why theyare used, and where they are used
    • From: David Carlisle <davidc@n...>

• References:
  • Understanding XML catalogs: what they are, why they are used, andwhere they are used
    • From: "Costello, Roger L." <costello@m...>
  • Re: Understanding XML catalogs: what they are, why theyare used, and where they are used
    • From: David Carlisle <davidc@n...>