1<?xml version="1.0"?> 2<doc> 3 <a test="true">a</a> 4 <a>b</a> 5 <a test="false">c</a> 6 <a test="true">d</a> 7 <a>e</a> 8 <a test="false">f</a> 9 <a test="true">g</a> 10 <a test="false">h</a> 11</doc>