* by-application (odoo-wise) grouping
* use part of the accounting TOC defined on pad
* support for "internal" tocs & fixup front toc
* various changes and improvements to extensions
May be missing: inherited document banners?
dd.alternatives triggers "widget", each (dt, dd) is an alternative with
dt being the alternative (and radio button) label and dd being the
actual content to display on selection.
In entries explanations and configuration, make it possible to "split"
the list in multiple sub-lists visually: a ``null`` item should just
create an empty space, not display a list item "dot"
* move chart of accounts higher in document
* rewrite text a bit
* split controls to left-hand column
* remove dependencies between operations
* highlight result of last-applied operation (not very good looking atm)
* convert listickles to React widget
* add interactive hooks to introduction/definition paragraphs
* add highlighting to various items based on (2)
todo: ragged bottom edge using a SVG border-image?
