...separate paragraphs like this...

...and indent code like this:

  You can insert links like *this*... http://arclanguage.org/formatdoc
  
  ...separate paragraphs like *this*...
  
  ...and indent code like *this*:
  
    You can insert links like *this*... http://arclanguage.org/formatdoc
    
    ...separate paragraphs like *this*...
    
    ...and indent code like *this*: