The standard doesn't say that you must accept all URIs up to a certain length. You're allowed to decide, based on context, what is "too long". That is to say,

The standard doesn't say that you must accept all URIs up to a certain length. You're allowed to decide, based on context, what is "too long". That is to say, you're allowed to have a double standard. And I love this sort of stuff, thanks for sharing.