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The structure of the XSLT style
The root element xsl: transform or
xsl: stylesheet encloses the whole XSLT style and NS
specifies the prefix for the XSLT elements.
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Parameter declarations (and their implicit value) - elt.
xsl:param. -
Parameters can be set when calling XSLT processor - eg
java-o net.sf.saxon.Transform outfile.xml infile.xml style.xsl-Dparam = paramvalueVariables -
Variables declarations - elt.
xsl:variable- de facto same as parameters but not settable from outside. -
It should be noted that the XSLT (without processor-specific extension) is a pure functional language, i.e. a template application does not have side effect -> variables can be assigned once, then just read!