One thing you can do right now (and that I hope you will do) is to add a small piece of custom JavaScript to your global.js that will flash validation errors in an error bar on the page you are viewing. To do that, edit both https://meta.wikimedia.org/wiki/User:<your username>/global.js (for production) and http://meta.wikimedia.beta.wmflabs.org/wiki/User:<your username>/global.js (for labs), and add the following: