Paragraphs and Line Breaks

Generate a new paragraph with an empty line
Paragraph 1 Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Paragraph 2 Duis eget lorem dapibus, pharetra odio eu, posuere metus.

*Paragraph 1* Lorem ipsum dolor sit amet, consectetur adipiscing elit. 
(This should be an empty line.)
*Paragraph 2* Duis eget lorem dapibus, pharetra odio eu, posuere metus.  **Break the line with two or more spaces**   Aenean porttitor mauris in imperdiet tempus.    Nulla iaculis convallis dolor, eget ultricies justo dignissim id. 

Aenean porttitor mauris in imperdiet tempus.  <--two spaces here
Nulla iaculis convallis dolor, eget ultricies justo dignissim id.