<its:rules xmlns:its="http://www.w3.org/2005/11/its" version="1.0">
 <its:translateRule selector="/myDoc/head" translate="no"/>
 <its:translateRule selector="//*/@alt" translate="yes"/> 
 <its:translateRule selector="//del" translate="no" />
 <its:translateRule selector="//@*[ancestor::del]" translate="no"/>
 <its:translateRule selector="//*[lang('zxx')] | //@*[lang('zxx')]" translate="no"/>
</its:rules>