--- /dev/null
+<p><i>underscore</i>, <i>asterisk</i>, <i>one two</i>, <i>three four</i>, <i>a</i>, <i>b</i></p>
+<p><strong>strong</strong> and <i>em</i> and <strong>strong</strong> and <i>em</i></p>
+<p><i>line<br class='autobr' />
+line<br class='autobr' />
+line</i></p>
+<p>an empty emphasis {} {{}} is not an emphasis</p>
+<p><i>mixed <strong>double and</i> single asterisk</strong> spans</p>
\ No newline at end of file