This page demonstrates a problem with the TOC

Namely, it will be broken.

Because there is only one level of headings.

And PageTOC displays TWO levels of headings.

And since the tags are an <h5> or !!!!! they will be displayed if only a single-level is present.

UPDATE 2017.07.10: fix has been applied. See solution at 2014-07-08

Here's is an archival screenshot of the issue: