Parsing of CDATA

Is there a way of parsing 'out' the contents of 
a CDATA section, inside a stylesheet ?

e.g.

xml fragment:
<NAME><![CDATA[<LANG>Previous</LANG>]]></NAME>

the most I can do is in xsl:

<xsl:value-of select="./NAME"/>

Is there a way to 'extract' then just the value btw.
<LANG> ?

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