RosettaCodeData/Task/Longest-string-challenge/XSLT-2.0/longest-string-challenge-2.xslt

<t>
 <s>a</s>
 <s>bb</s>
 <s>ccc</s>
 <s>ddd</s>
 <s>ee</s>
 <s>f</s>
 <s>ggg</s>
</t>