00650: Pagelist tweak to find all pages containing wiki words pointing to existing pages
This is about enabling
(:pagelist:) to create a list of all pages containing WikiWords that go to an existing page. Using this, authors can go through the list of pages and convert links to the form
[[WikiWord]@] rather than
WikiWord. This is a step in depreceating WikiWords.
Also note that wiki words to pages that exist have a special <span>, allowing the administrator to make them stand out visually.