* hledger BACKLOG

BACKLOG.org: a public store of tasks/changes/design notes
that we're fairly sure would be good to have.
Here they compost nicely in the sun, uncommitted and unscheduled.

Related:
- SM's private backlog, most of which is gradually moving here
- https://wishes.hledger.org WISH issues, allowing more discussion
- mockups.md
- ROADMAP.org