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Assisted-by: GLM 5.3

internal/markdown/testdata/misc.html

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+=== HTML ===
+<p><del>struck</del> text</p>
+<blockquote>
+<p>quote</p>
+</blockquote>
+<p>Footnote<sup class="footnote-ref"><a rel="noopener noreferrer" href="#fn-1" id="fnref-1" data-footnote-ref="">1</a></sup></p>
+<dl>
+<dt>Term</dt>
+<dd>definition</dd>
+</dl>
+<section class="footnotes" data-footnotes="">
+<ol>
+<li id="fn-1">
+<p>note text <a rel="noopener noreferrer" href="#fnref-1" class="data-footnote-backref" aria-label="Back to reference 1">↩</a></p>
+</li>
+</ol>
+</section>
+=== TOC ===
+<div class="toc">
+<ul></ul>
+</div>