=== Block Comment
--- kwim
\###

Comment line 1


  Comment line 2

\###

Paragraph
--- byte
+comment
 \nComment line 1\n\n\n  Comment line 2\n\n
-comment
+para
 Paragraph
-para
--- html
<!--

Comment line 1


  Comment line 2


-->

<p>Paragraph</p>
--- markdown
Paragraph
--- pod
=begin comment

Comment line 1


  Comment line 2


=end

Paragraph

=== Line Comment
--- kwim
\# This is a comment line.
\# Another. Eat next blank line.

Paragraph text.
--- byte
+comment
 This is a comment line.
-comment
+comment
 Another. Eat next blank line.
-comment
+para
 Paragraph text.
-para
--- html
<!-- This is a comment line. -->

<!-- Another. Eat next blank line. -->

<p>Paragraph text.</p>
--- markdown
Paragraph text.
--- pod
=for comment This is a comment line.

=for comment Another. Eat next blank line.

Paragraph text.