<p>Hello.<br />
World.</p>

Hello.
World.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE document SYSTEM "CommonMark.dtd">
<document xmlns="http://commonmark.org/xml/1.0">
  <paragraph>
    <text xml:space="preserve">Hello.</text>
    <softbreak />
    <text xml:space="preserve">World.</text>
  </paragraph>
</document>

<p>Hello.
World.</p>

Hello.
World.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE document SYSTEM "CommonMark.dtd">
<document xmlns="http://commonmark.org/xml/1.0">
  <paragraph>
    <text xml:space="preserve">Hello.</text>
    <softbreak />
    <text xml:space="preserve">World.</text>
  </paragraph>
</document>

<blockquote>
<p>Roses are red,<br />
violets are blue.</p>
</blockquote>

> Roses are red,
> violets are blue.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE document SYSTEM "CommonMark.dtd">
<document xmlns="http://commonmark.org/xml/1.0">
  <block_quote>
    <paragraph>
      <text xml:space="preserve">Roses are red,</text>
      <softbreak />
      <text xml:space="preserve">violets are blue.</text>
    </paragraph>
  </block_quote>
</document>

<p>Hard<br />
Soft<br />
Backslash<br />
end</p>

Hard
Soft
Backslash
end

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE document SYSTEM "CommonMark.dtd">
<document xmlns="http://commonmark.org/xml/1.0">
  <paragraph>
    <text xml:space="preserve">Hard</text>
    <linebreak />
    <text xml:space="preserve">Soft</text>
    <softbreak />
    <text xml:space="preserve">Backslash</text>
    <linebreak />
    <text xml:space="preserve">end</text>
  </paragraph>
</document>