Experimenting with some code this evening and got so into it, I didn't notice that I broke story submission for two hours. Argh!
Sorry everyone.
Edit: While you're here... you can now view the comments you've upvoted by clicking on "saved comments" in your profile. It works like "saved stories". Thanks to porker for the suggestion: https://news.ycombinator.com/item?id=9050374.