[~ if( r.skills && r.skills.sets && r.skills.sets.length ) { ~]
\cvsection{Skills}
\begin{cvskills}
[~ _.each(r.skills.sets, function(set) { ~]
  \cvskill
    {[[ set.name ]]}
    {[[ set.skills.join(', ') ]]}
[~ }); ~]
[~ if( r.languages && r.languages.length ) { ~]
  \cvskill
    {Languages}
    {[[ r.languages.map( function(lang) { return lang.language } ).join(', ') ]]}
[~ } ~]
\end{cvskills}
[~ } ~]