How do you generate a good ID in ATOM documents?
Apparently using the URL is no good - why is this the case, and how do you generate a good one? Mark Pilgrim's article How to make a good ID in Atom is good. Here's part of it: Why you shouldn’t use your permalink as an Atom ID It’s valid to use your permalink URL as your <id>, but I discourage it because it can create confusion about which element should be treated as the permalink. Developers who don’t read specs will look at your Atom feed, and they see two identical pieces of information, and they pick one and use it as the permalink, and some of them will pick incorrectly. Then they go to