Martin Welch wrote:

> Now I don't know if this is significant but I'm using firefox 2.x on 
> WinXP to open pi.xml and looking at the results using WebDeveloper 1.1.4 
> which gives me an option to view generated source.
> 
> I've searched the newsgroups for two days now with no result.
> 
> Could anyone give me a clue where I might be going wrong? Can anyone 
> suggest a better (free) tool to help 'debug' my feeble attempts?

I have tried your sample with Firefox 2.0, to check the result document 
I have typed
javascript: alert(new XMLSerializer().serializeToString(document)); void 0
in the location bar (as one line) and hit enter.
Rest assured that the processing instruction is part of the result 
document so the XSLT transformation is working fine in Firefox.
You can also simply use Tools -> DOM Inspector to see the nodes in the 
result document, it also shows the processing instruction node.

No idea about WebDeveloper, check whether they have a mailing list or 
forum to ask why it does not show that processing instruction.

And generally, unless you are specifically developing for Firefox, I 
think learning XSLT and transforming XML to XML is better done with a 
command line XSLT processor such as (for instance) Saxon 6 
<URL:http://saxon.sourceforge.net/saxon6.5.5/index.html> as that way you 
see the result document in the console window or in a file editor. A 
browser tries to render the XML and that way you see only the text node 
content and not the XML.

-- 

	Martin Honnen
	http://JavaScript.FAQTs.com/