This lowering operation is intended to allow me to write a more concise and
clear mapping from the graph to XIRF, without having to worry about
balancing tags, which really complicated the implementation.
This has details docs; see that for more information.
I can't help but be reminded of Wisp (the whitespace-based Lisp-like
syntax). Which is unfortunate, because I'm not fond of Wisp; I like my
parenthesis.
DEV-13708
Mike Gerwitz