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XPath: match one of several children

I have a small application that looks for links to publications. The quotes are in XML, and I pass the XSLT parameters through PHP to search through fields such as a tool or author. The structure is as follows:

<publications>
    <paper>
        <authors>
            <author>James Smith</author>
            <author>Jane Doe</author>
        </authors>
        <year>2010</year>
        <title>Paper 1</title>
        (more children)
    </paper>
    (more papers)
</publications>

When I invoke my template in XSLT, I use a predicate to see which documents are shown based on search criteria. So, if the $ author parameter is given, for example, I:

<xsl:apply-templates select="paper[contains(authors/author, $author)]" />

Problem: this works for the first author in the "authors", but after that is ignored. Therefore, in the above example, a search for “Smith” will return this article, but “Doe” returns nothing.

How can I format my expression to take into account all " elements of the author?

+5
1

contains , . authors/author , .

, author:

<xsl:apply-templates select="paper[authors/author[contains(., $author)]]" />

., , :

+5

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