<p>Two spaces<br /> break a line. Or more than two<br /> and spaces in the following line are absorbed.</p> <p>You can also break lines with<br /> a backslash.</p> <p>Two spaces at the end of a paragraph are not a line break.</p> <p>A backslash at the end of a paragraph is not a line break.\</p> <h2>Similarly with setext headers</h2> <h2>And with backslashes\</h2>