This example tests an attribute for a specified set of values:

<xsl:choose>
<xsl:when test="@status='draft'>
<p>This document is in draft status.</p>
</xsl:when>
<xsl:when test="@status='final-draft'>
<p>This document is is ready for final review.</p>
</xsl:when>
<xsl:when test="@status='published'>
<p>This document has been published as <xsl:value-of select="{@pub-id}"/></p>
</xsl:when>
<xsl:otherwise>
<p>This document has no official status.</p>
</xsl:otherwise>
</xsl:choose>