header-ids.html (280B)
<h1 id="section">section</h1> <h1 id="section-2">section-2</h1> <h1 id="section-1">section</h1> <h1 id="section-3">section</h1> <h1 id="section-3-1">section-3</h1> <h1 id="section-3-2">section 3</h1> <h1 id="section3">section()3</h1> <h1 id="section-3-3">section () 3</h1>