action-send-mail/node_modules/showdown/test/issues/#83.parsed-text-links-with-underscores.html

<p>plain text link http://test.com/this_has/one.html with underscores</p>
<p>legit·word_with·1·underscore</p>
<p>a word<em>with</em>2underscores (gets em)</p>