РАО

• You can use Mediawiki syntax. It is possible that not all formatting options are supported at the moment.
  Links to other pages: [[Page Title]] or [[path/to/page|Title]].
  External links: http://example.com or [http://example.com some link title].
  Interwiki links: [[site:Page Title]].
  You can use the following interwiki links: path, gdo, wp
  Images are included with [[Image:name]]. (wikipedia help)

• Строки и параграфы переносятся автоматически.
• Use [fn]...[/fn] (or <fn>...</fn>) to insert automatically numbered footnotes.
• Web page addresses and e-mail addresses turn into links automatically. (Better URL filter.)
• Текст автоматически преобразуется к более правильному с точки зрения типографики виду.

Подробнее о форматировании