This is a paragraph.

  lang=txt
  First line of code block.
  Second line of code block.

     Cell 1
     Cell 2

~~~~~~~~~~

This is a paragraph.

First line of code block.
Second line of code block.

 Cell 1 Cell 2

~~~~~~~~~~
This is a paragraph.

  First line of code block.
  Second line of code block.

| Cell 1 | Cell 2 |
