[xsl] Revision Marking in HTML

Subject: [xsl] Revision Marking in HTML
From: Nadia.Swaby@xxxxxx
Date: Tue, 26 Apr 2005 08:24:46 -0400
Hi All,

I have been given the task of reworking some XSL stylesheets at work, used
to convert XML to HTML.  We use XMetal to create our XML documents, and use
the revision tracking in XMetal to track any changes made to documents.
XMetal uses processing instructions to mark insertions and deletions.  Here
are to examples:

1) Inline insertion:

<?xm-insertion_mark_start author="A. Jekyll"
time="20041103T123406-0500"?>Document revised to:<?xm-insertion_mark_end ?>

2) Block insertion:

<?xm-insertion_mark_start author="A. Jekyll" time="20041103T123413-0500"?>
<list type="itemized" id="ID6BE23E2rad7702F" export.control="no"
qmsp.additional.requirements="no">
      <list.item id="ID6BE23E2rad04ADD" export.control="no"
qmsp.additional.requirements="no">
            <para export.control="no"
qmsp.additional.requirements="no">Change custodian</para>
      </list.item>
</list>
<?xm-insertion_mark_end ?>

The solution that we are currently using to highlight in inserted data in
HTML is as follows:

<xsl:template match="processing-instruction('xm-insertion_mark_start')">
            <xsl:choose>
                  <xsl:when test="following-sibling::text()">
                        <xsl:text disable-output-escaping="yes">&lt;span
class="revcontrol"></xsl:text>
                  </xsl:when>
                  <xsl:otherwise>
                        <xsl:text disable-output-escaping="yes">&lt;div
class="revcontrol"></xsl:text>
                  </xsl:otherwise>
            </xsl:choose>
      </xsl:template>
      <xsl:template
match="processing-instruction('xm-insertion_mark_end')">
            <xsl:choose>
                  <xsl:when test="preceding-sibling::text()">
                        <xsl:text
disable-output-escaping="yes">&lt;/span&gt;</xsl:text>
                  </xsl:when>
                  <xsl:otherwise>
                        <xsl:text
disable-output-escaping="yes">&lt;/div&gt;</xsl:text>
                  </xsl:otherwise>
            </xsl:choose>
      </xsl:template>

I am looking for a way to mark these revisions in XML that does not require
the use of d-o-e.  I was thinking of doing something like this:

<xsl:template match="processing-instruction('xm-insertion_mark_start')">
            <xsl:choose>
                  <xsl:when test="following-sibling::text()">
                        <span class="revcontrol"><xsl:apply-templates
select="following-sibling::*"/></span>
                  </xsl:when>
                  <xsl:otherwise>
                        <div class="revcontrol"><xsl:apply-templates
select="following-sibling::*"/></div>
                  </xsl:otherwise>
            </xsl:choose>
      </xsl:template>

But that results in the data being output twice.

Does any one have any ideas that could make this work, or is my best bet
sticking to d-o-e.

TIA

Nadia

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