1<!DOCTYPE html> 2<html> 3 <head></head> 4 <body> 5 <h3> 6 Include Id Test 7 </h3> 8 <h2 id="a.simple_include"> 9 Simple include 10 </h2> 11 <h2 id="b.simple_include"> 12 Simple include 13 </h2> 14 <h2 id="c.title__no_id"> 15 Title, no id 16 </h2> 17 <h2 id="d.title__no_id"> 18 Title, no id 19 </h2> 20 <h2 id="with-id.title_with_id"> 21 Title with id 22 </h2> 23 <h2 id="with-id.title_with_id0"> 24 Title with id 25 </h2> 26 </body> 27</html> 28