code-version
Code Version
Version of this program or code fragment.
Remarks
Note: This is the version of the code; the
version of the language in which the <code> is written is recorded in the @language-version attribute.
Example
...
<code language="xslt" code-version="2.0">
<xsl:template match="/">
<xsl:apply-templates/>
</xsl:template>
</code>
...