The benefits of careful checking before you release

This is a screenshot from a web game that my daughter Riordon was playing. It demonstrates well the reason you should check things before release (and you know what they say about leaving three fingers pointing back at yourself):

This did give us the chance to talk about the difference between marked-up and plain text.
[A response on LJ: It’s good to talk to your kids about that, before they learn about it on the streets.]