22 - the line container is markdown's, so the seam is the two spelling asks

todo.md

@@ -56,10 +56,6 @@ chunk clearing a §11 seam.
       upward, so the first raise to the measured figure reddens a run that changed nothing. Make
       the measurement repeatable, or state the number the floor may be raised to and why it is not
       the measured one.
-- [ ] **22 — `LineContainer` sits at the markdown level (`0.2.0`).** Two of the four
-      `parse/` → `emit/` imports fetch this type from `emit/line-escaping.ts`, camouflaging the two
-      that are the deliberate spelling consultation. Move it, and name those two in §11 as the whole
-      of that surface, so a reviewer checks the seam with one grep.
 - [ ] **32 — The mark depth `adf/` counts is stated in ADF's terms (`0.2.0`).**
       `document.ts`'s `markAttributeNesting` is `largestNesting - 3`, and both the comment above it
       and AGENTS.md §8 give the reason as markdown's: the block directive spells the whole mark set
@@ -292,6 +288,7 @@ chunk clearing a §11 seam.
 - [x] **19 — A home for what both formats read (`0.2.0`).**
 - [x] **20 — The give-way channel is unmistakable (`0.2.0`).**
 - [x] **21 — The ADF tables carry ADF's nouns (`0.2.0`).**
+- [x] **22 — `LineContainer` sits at the markdown level (`0.2.0`).**
 - [x] **28 — `emitLine`'s retry loop cannot spin (`0.2.0`).**
 - [x] **29 — The README reads raw HTML as refused for good (`0.2.0`).**
 - [x] **30 — AGENTS.md says each thing once (`0.2.0`).**