Um. Wow. This reminds me of those puzzles where the surrounding bulbs light up whenever you click on a lightbulb.

Even more fun, it also breaks the behavior using Ctrl+arrows and space, the normal way of selecting multiple items! Now if you do that, it will do the opposite of what it's supposed to, and deselect all the other tags when you select a new one using the space bar.

Is there a place to report accessibility issues on LJ other than the general help system?