<p>Here is some  Markdown.  I am adding this here.  Here is some more text.  And here is even more text that I am adding.  Paragraph was deleted and replaced with some spaces.</p><p>Spaces were removed and a paragraph was added.</p><p>And here is a comment on some text. Substitutions are great!</p><p>General block handling.</p><ul><li>test add</li><li>test add</li><li>test add<ul><li>test add</li></ul></li><li>test add</li></ul>