Here's an idea. Have a "maintenance mode" preference for editors that highlights errors in Wikipedia articles so they're easy to spot and fix. For example: - Links that go to disambiguation pages - Links that go to redirects (not necessarily errors, but worth checking) - Broken syntax - make it big and red and ugly rather than gracefully degrading. - Spelling errors, possibly? - Stuff that goes against MoS (for example, level 1 headings, links in headings...)
There are already tools to do this, but they rely on a user making the (pretty significant effort) to get AWB and decide that they're going to do maintenance. Integrating highlighting like this into normal Wikipedians' daily routine would be a lot more effective. And certain problems like links going to disambig pages are really hard to pick up unless you're specifically looking for them.
Any takers?
Steve