12.4.4.4 Directing TOC links to top of topic page
To make sure links from toc.xml go to top-of-page, so that any navigation links you have positioned above the topic heading are visible when a user clicks a TOC link, assign the following property to each paragraph format that is a target of a TOC link:
See §19.3.1 Forcing links to top-of-page for selected paragraph formats.
