<p>escaped *emphasis*.</p>
<p><code>escaped \*emphasis\* in a code span</code></p>
<pre><code>escaped \*emphasis\* in a code block</code></pre>
<p>\ ` * _ { } [ ] ( ) > # + - . !</p>
<p><em>one_two</em> <strong>one_two</strong></p>
<p><em>one*two</em> <strong>one*two</strong></p>