Why? What would go on it? From that dead comment quoting a chat bot that clearly did not understand the question at all, I think maybe we can extract a single

Why? What would go on it? From that dead comment quoting a chat bot that clearly did not understand the question at all, I think maybe we can extract a single bullet point: * “Edge cases” live only at the edges; they never creep into the middle. But that's not much to build a post with.