Some text with a [[WikiLink]]. A link with [[ white space and_underscores ]] and a empty [[ ]] one. Another with [[double spaces]] and [[double__underscores]] and one that [[has _emphasis_ inside]] and one [[with_multiple_underscores]] and one that is _[[emphasised]]_. And a <a href="http://example.com/RealLink">RealLink</a>. <http://example.com/And_A_AutoLink> And a [MarkdownLink](/MarkdownLink/ "A MarkdownLink") for completeness.