[xsl] different results with xalan and msxsl/saxon

With following xml file I wanted to create a stylesheet to get
a nested structure. So with heading 2 as a child of heading 1, etc.

<file>
  <p stylename="heading 1">1. title</p>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="heading 2">1.1 title</p>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="heading 3">1.1.1 title</p>
  <p stylename="Body Text">body text</p>
  <table>
    <row>
      <cell>
        <p>text</p>
      </cell>
    </row>
  </table>
  <p stylename="Body Text">body text</p>
  <p stylename="heading 2">1.2 title</p>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="heading 1">2. title</p>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="heading 2">2.1 title</p>
  <p stylename="Body Text">body text</p>
</file>

So I made this stylesheet:

<!-- key for selecting the p and table elements between the headings -->
<xsl:key name="body-text" match="file/node()[not(starts-with(@stylename,
'heading')) or not(@stylename)]"
  use="preceding-sibling::p[starts-with(@stylename, 'heading')][1]"/>

<!-- selecting the headings with one level higher than the preceding
heading -->
<xsl:key name="headings" match="file/p[starts-with(@stylename, 'heading')]"
  use="preceding-sibling::p[starts-with(@stylename, 'heading')]
  [substring(@stylename, 9 , 1)=substring(current()/@stylename, 9,
1)-1][1]"/>

<xsl:template match="file">
  <xsl:copy>
    <xsl:apply-templates select="p[starts-with(@stylename, 'heading 1')]"/>
  </xsl:copy>
</xsl:template>

<!-- match all headings for recursiveness(is that good English?) -->
<xsl:template match="p[starts-with(@stylename, 'heading')]">
    <xsl:variable name="level" select="substring(@stylename, 9, 1)"/>
    <section>
      <titel><xsl:apply-templates select="@stylename"/><xsl:value-of
select="."/></titel>
      <body>
        <xsl:for-each select="key('body-text', current())">
          <xsl:apply-templates select="current()"/>
        </xsl:for-each>
      </body>
      <xsl:for-each select="key('headings', current())">
        <xsl:apply-templates select="current()"/>
      </xsl:for-each>
    </section>
</xsl:template>

<!-- copy -->
<xsl:template match="@* | node()">
  <xsl:copy>
    <xsl:apply-templates select="@* | node()"/>
  </xsl:copy>
</xsl:template>

With xalan 2.2 D14 I got a good result, but with msxsl and saxon the
stylesheet
only selected heading 1.

xalan:

<section>
<titel stylename="heading 1">1. title</titel>
<body>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  </body>
<section>
<titel stylename="heading 2">1.1 title</titel>
<body>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="List Bullet">list item</p>
  </body>
<section>
<titel stylename="heading 3">1.1.1 title</titel>
..................... etc.

msxsl, saxon:

<file>
<section>
<titel stylename="heading 1">1. title</titel>
<body>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  </body>
</section>
<section>
<titel stylename="heading 1">2. title</titel>
<body>
  <p stylename="Body Text">body text</p>
  <p stylename="Body Text">body text</p>
  <p stylename="List Bullet">list item</p>
  <p stylename="List Bullet">list item</p>
  </body>
</section>
</file>

Is xalan going rong here? And is there a better way to handle this?




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