Re: [xsl] exclude result prefixes doesn't stop prefix from showing up.

["Mark R. Diggory" <mdiggory@xxxxxxxxxxxxxxxxx>]

I'm working with Saxon 6.5.3 and Xerces 2.4. My experiences suggest that 
if the source document contains a default namespace then you have to map 
the namespace to an alternate prefix (ddi: in my example) otherwise the 
templates "match and select" statements do not work), in other words its 
impossible to match elements in the default xmlns namespace without 
mapping that namespace to a different prefix. I see this done often in 
the FAQ, see for example:

http://www.dpawson.co.uk/xsl/sect2/N5536.html#d5145e970

I find this counter-intuitive. It seems that if the default namespace is 
just a namespace with the prefix "". then if I try to match elements in 
that namespace, then they just shouldn't have a prefix. In other words:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
    version="1.0"
    xmlns="http://www.icpsr.umich.edu/DDI";
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
    >

    <xsl:template match="codeBook">
       <xsl:copy>
         <xsl:apply-templates select="@*"/>
        <docDscr>
           ...
               <titl>
                 <xsl:value-of select="stdyDscr/citation/titlStmt/titl"/>
               </titl>
           ...
         </docDscr>
         <xsl:apply-templates select="*"/>
        </xsl:copy>
    </xsl:template>

    ...
</xsl:stylesheet>

should work on the following document no matter if the xmlns is present 
or not:

<?xml version="1.0" encoding="utf-8"?>
<codeBook xmlns="http://www.icpsr.umich.edu/DDI"; >
    <stdyDscr>
	<citation>
            <titlStmt>
                <titl>foo</titl>
            </titleStmt>
        </citation>
    </stdyDscr>
</codeBook>


-Mark

David Carlisle wrote:

> > I thought to myself, there should be some way I can 
> > match the default namespace in the source document? 
>
>
> there is nothing special about the default namespace just think of it as
> having prefix "" with a special syntax trick that if teh prefix is ""
> you don't use a colon.
>
> Xpath is essentially blind to the prefixes used in the source, it
> doesn't matter if it is <x:foo> or <b:foo> or <foo> so long as in each
> case it is foo in the same namespace you always use the same Xpath to
> select the element.
>
> David
>
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