-- input --
Text.
	A tab-indented
	(no, not eight-space indented)
	code block and haiku.
More text.
 One space
  is
   enough
    to
     start
      a
       block.
More text.

      Blocks
    can

  have
    blank
      lines.
-- gofmt --
Text.

	A tab-indented
	(no, not eight-space indented)
	code block and haiku.

More text.

	One space
	 is
	  enough
	   to
	    start
	     a
	      block.

More text.

	    Blocks
	  can

	have
	  blank
	    lines.
-- markdown --
Text.

	A tab-indented
	(no, not eight-space indented)
	code block and haiku.

More text.

	One space
	 is
	  enough
	   to
	    start
	     a
	      block.

More text.

	    Blocks
	  can

	have
	  blank
	    lines.
-- html --
<p>Text.
<pre>A tab-indented
(no, not eight-space indented)
code block and haiku.
</pre>
<p>More text.
<pre>One space
 is
  enough
   to
    start
     a
      block.
</pre>
<p>More text.
<pre>    Blocks
  can

have
  blank
    lines.
</pre>