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| 5. 34. 3. normalize-space() returns the argument string with white space normalized by stripping leading and trailing whitespace and replacing sequences of whitespace characters by a single space. |
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File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<paragraph>
<text>Normalized text</text>
<text>Sequences of whitespace characters</text>
<text> Leading and trailing whitespace. </text>
</P>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<TABLE>
<xsl:for-each select="//text">
<TR>
<TH colspan="4">
<xsl:value-of select="."/>
</TH>
</TR>
<TR>
<TD>Starting length:</TD>
<TD>
<xsl:value-of select="string-length(.)"/>
</TD>
<TD>Normalized length:</TD>
<TD>
<xsl:value-of select="string-length(normalize-space(.))"/>
</TD>
</TR>
</xsl:for-each>
</TABLE>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE><TR><TH colspan="4">Normalized text</TH></TR><TR><TD>Starting length:</TD><TD>15</TD><TD>Normalized length:</TD><TD>15</TD></TR><TR><TH colspan="4">Sequences of whitespace characters</TH></TR><TR><TD>Starting length:</TD><TD>41</TD><TD>Normalized length:</TD><TD>34</TD></TR><TR><TH colspan="4"> Leading and trailing whitespace. </TH></TR><TR><TD>Starting length:</TD><TD>40</TD><TD>Normalized length:</TD><TD>32</TD></TR></TABLE>
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