It's got to be HTML in the form of well-formed XML - you can't have things like <br> without an end tag.
Given that constraint, you can copy it through by using
<xsl:template match="info">
<xsl:copy-of select="child::node()"/>
</xsl:template>
Michael Kay
http://www.saxonica.com/
Author, XSLT Programmer's Reference and XPath 2.0 Programmer's Reference