/** @mainpage

> A blockquote.

    Preformatted text.

Paragraph \n with \n explicit \n line \n breaks.

@section section Page section

<pre>Differently
  preformatted
text.</pre>

-   Unordered
-   list
-   of
    -   nested
    -   items
-   and back

1.  Ordered
2.  list
3.  of
    1.  nested
    2.  items
4.  and back

@anchor an-anchor

This is a `typewriter text`, *emphasis* and **bold**. <em>Emphasis with
<tt>typewriter</tt> and <strong>bold</strong> nested.</em> http://google.com
and [URL](http://google.com). <small>Small *text*.</small> En-dash -- and
em-dash ---. Reference to a @ref section. Named reference with special
characters in title: @ref section "&raquo; Warnings &laquo;". Reference with
escaped characters in&nbsp;title: @ref an-anchor "<anchor>".

2<sup>nd</sup> is L<sub>&infin;</sub> &forall; &nabla; &pi; &real; &image;
This costs no $, &euro;, &pound;, &yen; or &curren;.

Empty elements: <em></em> <tt></tt> <strong></strong> <pre></pre> <small></small>

- - -

Above is a horizontal line.

*/
