First of all, this article is an example of one whose first 80% could be cut. So many writers on the Web take so long to get to the point. I wish that they had learned the Inverted Pyramid style, which has been a tradition of newspapers.<p>Second, is what the writer describing something that would be met with a hyperlinked table of contents, like <a href="http:&#x2F;&#x2F;www.postgresql.org&#x2F;docs&#x2F;9.5&#x2F;interactive&#x2F;index.html" rel="nofollow">http:&#x2F;&#x2F;www.postgresql.org&#x2F;docs&#x2F;9.5&#x2F;interactive&#x2F;index.html</a>, along with maybe each page hyperlinking to other pages where fit?