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Problem processing unescaped nested span TEXT with pa

Subject: Problem processing unescaped nested span TEXT with parse-xml-fragment
From: "rus tle profrustyleafiii@xxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 4 Apr 2019 10:46:57 -0000
 Problem processing unescaped nested span TEXT with  pa
Hello All,

I am struggling a bit with the parse-xml-fragment function and was wondering
if anyone could help. Spans are being used in our application due to their
nesting features (spans within spans). However, they are escaped by a
different process before they come to the XSLT process and so are presented as
unescaped TEXT. Because of this, we are using parse-xml-fragment to pull out
unescaped TEXT and turn it back into markup content and it has worked fine
because we have not hit any nested spans. But today we did.

I am wondering if there is a better way anyone could think about to revert
unescaped nested spans back into markup content (i.e their spans).

I would be grateful for any suggestions!

The stylesheet code looks like this:

	    <xsl:variable name="FRAGMENTTEXT"
select="./Content/Fragment[contains(text(), '&lt;span ')]"/>
            <xsl:if test="$FRAGMENTTEXT!=''">
                <xsl:variable select="parse-xml-fragment($FRAGMENTTEXT)"
name="UNESCAPEDTEXT"/>
                <xsl:call-template name="annotations">
                    <xsl:with-param select="$UNESCAPEDTEXT"
name="UNESCAPEDTEXT"/>
                    <xsl:with-param select="." name="EVENT"/>
                </xsl:call-template>
            </xsl:if>

Unescaped FRAGMENT TEXT example:

<Fragment>&lt;span&gt;&lt;span class="meta" cid="2"&gt;sassafras
plant&lt;/span&gt; is a slightly black oil called &lt;span class="meta"
cid="3"&gt;safrole&lt;/span&gt;.  Synthetic manufacturing methods are used to
convert the safrole to &lt;span class="meta" cid="4"&gt;MDMA&lt;/span&gt;.
Relative small amounts are required to create large amounts of &lt;span
class="meta" cid="5"&gt;ecstacy&lt;/span&gt; pills.&lt;/span&gt;</Fragment>

Unescaped the Fragment looks like this:

<span>
            <span class="meta" cid="2">sassafras plant</span>
            is a slightly black oil called
            <span class="meta" cid="3">safrole</span>.
            Synthetic manufacturing methods are used to convert the safrole to
            <span class="meta" cid="4">MDMA</span>
            . Relative small amounts are required to
            create large amounts of
            <span class="meta" cid="5">ecstacy</span> pills.
</span>


The error:

Severity: fatal
Description: A sequence of more than one item is not allowed as the first
argument of fn:parse-xml-fragment() ("In the rain forests of <span c...",
"<span><span class="meta" cid="...")


Current Environment setup:
<?xml version="1.0" encoding="UTF-8"?><html
xmlns="http://www.w3.org/1999/xhtml"><head><title>XSLT Processor
Version</title></head><body><p>XSL version: 3.0</p><p>Vendor:
Saxonica</p><p>Vendor URL: http://www.saxonica.com/</p><p>Product name:
SAXON</p><p>Product version: PE 9.8.0.12</p><p>Is schema-aware:
no</p><p>Supports serialization: yes</p><p>Supports backwards compatibility:
yes</p></body></html>

Many thanks,

Rusty

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