nested output

Now that I got the other output modes working, I need to figure out how 
to convert this:
<span style="font-weight: bold; font-style: italic;">Riots and 
Pogroms</span>
.... to this:

\textit{\textbf{Riots and Pogroms}}

... but I'm getting some problems.  Here's the xhtml, which is correct:

               <p class="bibref" id="TimesP2001a"><span 
class="creator">Times</span> (<span class="year">2001</span>) <span 
class="title  ">Senators Stamp OK on Anti-Terrorism Laws</span>, <span 
class="container"><span class="origin"></span><span 
class="part-details">October26, <span class="pages"> pp. 
A–01</span></span></span>.</p>
               <p class="bibref" id="Veer1996a"><span 
class="creator">van der Veer, P. </span> (<span 
class="year">1996</span>) <span class="title  ">Riots and Rituals: The 
Construction of Violence and Public Space in Hindu 
Nationalism</span><span class="container">, In P. BrassEd., <span 
class="title italic ">Riots and Pogroms</span><span class="origin"> 
(<span class="place">New York</span>:<span class="publisher">NYU 
Press</span>) </span><span class="part-details"><span class="pages"> 
pp. 154–76</span></span></span>.</p>
Here's the LaTeX transformed from the above:

Times (2001) Senators Stamp OK on Anti-Terrorism LawsSenators Stamp OK 
on Anti-Terrorism LawsSenators Stamp OK on Anti-Terrorism Laws, October 
26,  pp. A–01.
van der Veer, P.  (1996) Riots and Rituals: The Construction of 
Violence and Public Space in Hindu NationalismRiots and Rituals: The 
Construction of Violence and Public Space in Hindu NationalismRiots and 
Rituals: The Construction of Violence and Public Space in Hindu 
Nationalism , In P. Brass Ed., Riots and Pogroms (New York:NYU Press)  
pp. 154–76.
Note duplicate titles.

Here's my current template:

  <xsl:template match="xhtml:span" mode="output-latex">
    <xsl:variable name="content" select="."/>
    <xsl:for-each select="tokenize(@class, ' ')">
      <xsl:variable name="css-class" select="."/>
      <xsl:choose>
        <xsl:when test="$css-class='italic'">
          <xsl:text>\textit{</xsl:text>
          <xsl:value-of select="$content"/>
          <xsl:text>}</xsl:text>
        </xsl:when>
        <xsl:when test="$css-class='bold'">
          <xsl:text>\textbf{</xsl:text>
          <xsl:value-of select="$content"/>
          <xsl:text>}</xsl:text>
        </xsl:when>
        <xsl:otherwise>
          <xsl:apply-templates select="$content"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:for-each>
  </xsl:template>

Is there some better way to tackle this?

I should add I'm seriously contemplating switching the style handling 
(per Wendell's suggestion awhile back) to split the presentation into 
the style attribute, and keep the class attribute semantic.  I haven't 
done that yet, but if it would be easier for the above issue, I can do 
that.
Bruce

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