The <xsl:variable> Element: Creating Variables
You use <xsl:variable>to create variables in XSLT. This element has the following attributes:
name(mandatory). The name of the variable, set to a QName.
select(optional). An XPath expression that specifies the value of the variable. If you omit this attribute, the value of the variable is specified by the contents of <xsl:variable>.
This element can either be a top-level element or be used inside a template body. This element can contain a template body; but if a body is present, you should not use the select attribute.
You create a variable by assigning its name to the <xsl:variable> element’s name attribute, and its value to the select attribute, as in this case, where I’m creating a new variable ...
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