<h1>Sorted from less to more preferable</h1>
<h2>HTML breaks (4 segments)</h2>
<div>Some books should be tasted<br/>some devoured,<br/>but only a few<br/>should be chewed and digested thoroughly.</div>
<hr/>
<h2>Spans (1 segment)</h2>
<div class="quote">
<span>Some books should be tasted</span><span>some devoured,</span><span>but only a few</span><span>should be chewed and digested thoroughly.</span>
</div>
<hr/>
<h2>Break standalone spans (1 segment)</h2>
<div>Some books should be tasted<span class="break" />some
devoured,<span class="break" />but only a few<span class="break" />should
be chewed and digested thoroughly.</div>
<hr/>
<h2>Break span pairs (1 segment)</h2>
<div>Some books should be tasted<span class="break"></span>some
devoured,<span class="break"></span>but only a few<span class="break"></span>should
be chewed and digested thoroughly.</div>
<hr/>
<h2>Carriage returns and/or line feeds (1 segment)</h2>
<div class="poem">Some books should be tasted
some devoured,
but only a few
should be chewed and digested thoroughly.</div>