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[xsl] substring-before doesn't copy node

2007-01-12 02:41:15
Hi,
I'm writing a recursive template and I have some problems with subtring-before.
I'm trying to write a words highlighter.
In my template if my text contains the word I'm looking for, I write:

<xsl:variable name="before" select="substring-before($test-text, .)" />
<xsl:variable name="after" select="substring-after($test-text, .)"/>
<xsl:variable name="real-before" select="substring($text, 1, string-length($before))"/> <xsl:variable name="real-after" select="substring($text, string-length($before) + string-length(.) + 1)"/>

The problem is that my test-text contains for example http://dominio.com/&lt;b&gt;pippo&lt;/b&gt;/pluto.html and I'm looking for pluto, the before string is http://dominio.com/pippo/. It seems that substring-before deletes my tag <b></b>. I suppose that the problem is in the substring-after too.
I tried to write:
<xsl:variable name="before"><xsl:copy-of select="substring-before($test-text, .)" /></xsl:variable>
but the problem remains.
How could I solve my problem?
Best regards
Marco

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