The <xsl:value-of>
element evaluates an XPath expression, converts it to a string, and writes that string to the result tree.
<xsl:value-of select=EXPRESSION disable-output-escaping="yes" | "no" />
select
disable-output-escaping
(Netscape does not serialize the result of transformation - the "output" below - so this attribute is essentially irrelevant in context. To output html-entities, use numerical values instead, eg  
for  
) yes
" or "no
". If "yes
" is set, for example, the character <tt>></tt> is output as >
, not as ">
". Instruction, appears with a template.
XSLT, section 7.6.1.
Supported except as above.
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/XSLT/value-of