Got it: So none.
As to why I prefer one thing that doesn’t exist over another thing that doesn’t exist depends on my priors. You might as well be asking my opinion and making fun of it before you know the answer.
What do you think the impact would be if Content-Location: would be if it suddenly gained the interpretation I suggest?
What do you think a script in the package can do to reference a part of the URL is constructed by code?
