Anything linking here, for instance with a link such as:
<sup>[[:todo|text goes here]]</sup> means that someone has tagged that spot in the wiki as needing more work. The link text hopefully gives a clue of what work needs to happen, The example above would look like thistext goes here in the page.
A list of all todo links that point here can be found by viewing the backlinks to this page. We have a plugin to just list them here, but note that the text listed here is somewhat worthless, it's the current heading from whatever page the backlink is from. Ignore the link from :start and :todo since they are example links.