When a site gets into the first position of Google's organic search results, Google sometimes renders additional links for the sections of that website. For example, if you search for jQuery, jQuery.com is the first search results. In addition to a link to jQuery.com, the jQuery Documentation, Tutorials, Plugins, Download, Works, Ui, About, and Donate page links are included too (all in the first listing.)
In contrast, the first result for a Google search for Beer, returns a single link to the wikipedia.org entry for beer.
My QUESTION is what if anything do sites like jQuery do to get the "extended" Google search result listing?