=begin filter html

First paragraph

another para

End

=end filter __RESULT__ +html
    <!-- a longer piece of HTML -->
    <p>First paragraph</p>

<p>another para</p>

    <p>End</p>
__RESULT__ -html
    <!-- a longer piece of HTML -->
    <p>First paragraph</p>

<p>another para</p>

    <p>End</p>