Same Time Edit
Just had my first instance of editing the same question as you, Math 101 question 1 (m) or something. I was wondering what would happen when two people were making simultaneous changes, it just shows up side by side between what you did and the other person did. We also both flagged it as good at the same time.
Interesting. Usually one of the editor gets blocked off and cannot edit... how did you notice? Did you get any message or info from the wiki?