-- input --
Text.

	$
	A tab-indented
	(surrounded by more blank lines)
	code block and haiku.
	$

More text.
-- gofmt --
Text.

	A tab-indented
	(surrounded by more blank lines)
	code block and haiku.

More text.
-- markdown --
Text.

	A tab-indented
	(surrounded by more blank lines)
	code block and haiku.

More text.
-- html --
<p>Text.
<pre>A tab-indented
(surrounded by more blank lines)
code block and haiku.
</pre>
<p>More text.