This hook is called early in the process of building the wiki, and is used
as a first pass scan of the page, to collect metadata about the page. It's
mostly used to scan the page for WikiLinks, and add them to `%links`.
This hook is called early in the process of building the wiki, and is used
as a first pass scan of the page, to collect metadata about the page. It's
mostly used to scan the page for WikiLinks, and add them to `%links`.