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Subject: Re: [docbook-apps] Cannot write xml:lang to content.opf

Hi Dave,
You are missing the context.  8^)
When that template is applied, the context is already the top-level book element, so the select statement is trying to select /book/book, which does not exist.
Also, you have put @xml:lang in the predicate, but you haven't actually selected its value.  Your current select says "apply templates to a book element that has an @xml:lang", which will process the whole <book> if it has the attribute.  It's a good thing it didn't work.  8^)
I would suggest the following:
<xsl:value-of select="/*/@xml:lang"/>
That will select the value of the top-level element's @xml:lang attribute.
If you only want to select if it has such an attribute, then qualify it with a predicate before selecting the attribute:
Bob Stayton
Sagehill Enterprises
----- Original Message -----
From: Xmplar
Sent: Thursday, December 01, 2011 11:38 PM
Subject: [docbook-apps] Cannot write xml:lang to content.opf

I have specified an xml:lang value in a book element (i.e. not within an info tag) and need to write that value to the content.opf metadata element.

Here is my customisation:

<xsl:element namespace="http://purl.org/dc/elements/1.1/" name="dcterms:language">
                  select="d:book[@xml:lang]|d:article[@xml:lang]|d:part[@xml:lang]" />

And all I get in content.opf is an empty element:

<dcterms:language xmlns:dcterms="http://purl.org/dc/elements/1.1/" />

What am I missing from the element selection syntax? I'm using 1.76.1, epub2. Thanks

Dave Gardiner

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