This page uses the new Plugin Layout. (The plugin normally hides the left column if the
leftcolumn="n" parameter is set, which is set here, but for some reason this isn't working, maybe due to an overriding CSS rule at this site, so a CSS rule is set separately as an expedient on this page.)
This is content entered directly in the wikitext. Check the page source (button below) to see what the wiki syntax looks like.