 + leading plus
*em* **strong**
&lt; &gt; &quot; &amp; &amp;lt; '&copy;'
&ldquo; &rdquo; &lsquo; &rsquo; &apos; &laquo; &raquo; “ ” ‘ ’ « »
&ndash; &mdash; &hellip; – — …
` * _ { } [ ] # |