Can C# files contain file-level summary comments?
<p>E.g.</p>

<p>Foo.cs:</p>

<pre><code>using System;

/// &lt;summary&gt;
/// This file contains Foo and Bar-related things.
/// &lt;/summary&gt;

namespace Xyz {


class FooThing {
}

}
</code></pre>

<p>Does C# support such XMLDoc comments?</p>
