Help: sitemap-extra

The "sitemap-extra" setting:

The sitemap-extra setting defines extra links to appear on the /sitemap web page as sub-items of the "Home Page" entry before the "Documentation Search" entry (if any). For skins that use the /sitemap page to construct a hamburger menu dropdown, new entries added here will appear on the hamburger menu.

This setting should be a TCL list divided into triples. Each triple defines a new entry:

The default value is blank, meaning no added entries.