There was always some semblance that two blank lines has some kind of
meaning or structure that's different from single blank lines, but
in reality it was mostly arbitrary and I can't stand to look at it
any more.
I discovered that werkzeug stores cookies in lists, with its .get
returning only the first item of the list. By converting the cookies
to a plain dict, I was breaking that functionality of cookies.get.
So, using werkzeug's MultiDict is the correct choice.
Alright, I got tired of confusing myself with the same-named
outer and inner package.
Keep in mind that every frontend implementation is supposed to be
its own independent project where etiquette is nothing but a
dependency. So the name backend is not ambiguous with the etiquette
backend.
voussoir