<h1 id="user-content-hi-1">Hi!<a href="#hi-1" aria-label="Link to heading 'Hi!'" data-heading-content="Hi!" class="anchor"></a></h1>
<h1 id="user-content-hi">Hi!<a href="#hi" aria-label="Link to heading 'Hi!'" data-heading-content="Hi!" class="anchor"></a></h1>
<h1 id="user-content-hi-2">Hi!<a href="#hi-2" aria-label="Link to heading 'Hi!'" data-heading-content="Hi!" class="anchor"></a></h1>
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<!DOCTYPE document SYSTEM "CommonMark.dtd">
<document xmlns="http://commonmark.org/xml/1.0">
<heading level="1">
<text xml:space="preserve">Hi!</text>
</heading>
<heading level="1">
<text xml:space="preserve">Hi!</text>
</heading>
<heading level="1">
<text xml:space="preserve">Hi!</text>
</heading>
</document>