<xsl:if test=".." >
. . .
</xsl:if>

• Contents of <xsl:if> element only obeyed if test is true:
  • If test result is a node-set, true if node-set contains one or more nodes
  • If test result is a string, true if string is non-empty
  • If test result is a number, true if value is non-zero
  • If test result is a truth value, depends on the truth value
• Only CDs satisfying the test are retained

  <xsl:template match="cdlist">
  <xsl:for-each select="cd">
  <xsl:if test="filed[. = 'C05 World']">
  <tr>
  <td style="color:blue;font-weight:bold"><xsl:value-of select="artist"/></td>
  <td style="color:red;font-weight:bold"><xsl:value-of select="title"/></td>
  <td style="color:darkgray;font-weight:bold"><xsl:value-of select="filed"/>
  </td>
  </tr>
  </xsl:if>
  </xsl:for-each>
  </xsl:template>