• Web page addresses and e-mail addresses turn into links automatically.
• Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd> <b> <div> <sub> <sup> <blockquote> <img> <strike> <span> <quote> <del> <u> <i> <b> <center> <font> <p> <br> <table> <tr> <td>
• Lines and paragraphs break automatically.
• Link to content with [[some text]], where "some text" is the title of existing content or the title of a new piece of content to create. You can also link text to a different title by using [[link to this title|show this text]]. Link to outside URLs with [[http://www.example.com|some text]], or even [[http://www.example.com]].

More information about formatting options