heredoc.expect.txt

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">foo</span><span class="hljs-params">()</span></span>
  msg = <span class="hljs-string">&lt;&lt;-HTML
  &lt;div&gt;
    &lt;h4&gt;<span class="hljs-subst">#{bar}</span>&lt;/h4&gt;
  &lt;/div&gt;
  HTML</span>
<span class="hljs-keyword">end</span>

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">baz</span><span class="hljs-params">()</span></span>
  msg = <span class="hljs-string">&lt;&lt;~FOO
  &lt;div&gt;
    &lt;h4&gt;<span class="hljs-subst">#{bar}</span>&lt;/h4&gt;
  &lt;/div&gt;
  FOO</span>
<span class="hljs-keyword">end</span>