Converting logical <em>s to physical <i>s (nesting pro

  <xsl:template match="em">
  <xsl:choose>
    <xsl:when test="count(ancestor::em) mod 2 = 0">
      <em><xsl:apply-templates/></em>
    </xsl:when>
    <xsl:otherwise>
      </em><xsl:apply-templates/><em>
    </xsl:otherwise>
  </xsl:choose>
  </xsl:template>

  <xsl:template match="*">
  <xsl:element name="{name(.)}">
  <xsl:copy-of select="@*"/>
  <xsl:apply-templates/>
  </xsl:element>
  </xsl:template>

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