>>> h1 text === <<< <h1>text</h1> >>> h2 text --- <<< <h2>text</h2> >>> h1 bar on first line becomes text === <<< <p>===</p> >>> h2 bar on first line becomes list - <<< <ul> <li></li> </ul> >>> can be multiline header on two lines == <<< <h1>header on two lines</h1>
