Read the block nodes back, and stop a marker change splitting a list

todo.md

@@ -49,23 +49,7 @@ numbering is the order the work was planned in, not the order it ships.
   - [x] **3e — Emphasis and links.**
   - [x] **3f — The directive grammar.**
   - [x] **3g — The node tables read backwards.**
-  - [ ] **3h — The block nodes.** `block-nodes/` reads back: the `codeBlock` directive's fenced body and the
-        `language` attribute a bare fence leaves it; the media family's composition; and both
-        table forms, the pipe table's cell split and its named errors. `fenceInfo` is a rule both
-        directions answer alike and moves to the `markdown/` root with the language attribute.
-        **Settled** (the maintainer, 2026-08-27): 1d's last pick, the one
-        `container-block-separation` holds — a CommonMark block and a directive block sit adjacent
-        in a container body with no blank line between them. That reduces the three cases to one
-        rule, separation only where its absence would merge the blocks: the `:::` fence is
-        separation already, and 3c's claim ends the lazy continuation that would otherwise swallow
-        it. The fixture becomes a round-trip pair, and with `nested-list-separation` and 3e's pair that
-        empties `corpus/unspellable/`: this chunk settles the directory's own guard in
-        `corpus.test.ts` too, and `unspelled-block-separation`, which loses its only cause here.
-        The emitter's other refusals survive on causes no fixture in that directory covers, so
-        3k's one-list pass is where they get fixtures or the directory goes.
-        Losing that cause closes the last shape input accepts and emit refuses — a CommonMark block
-        beside a directive one inside a list item — so the parse-then-emit fixpoint the README
-        promises holds from here rather than only for what the emitter wrote.
+  - [x] **3h — The block nodes.**
   - [ ] **3i — The inline nodes and the marks.** `inline-nodes/` reads back: the content slot's
         `text` attribute and the error a slot holding anything but one unmarked text node is; the
         `:text{text="…"}` whitespace spelling; the four directive marks and their nesting order,
@@ -102,10 +86,12 @@ numbering is the order the work was planned in, not the order it ships.
         3e collapses a spelling nested inside its own kind and `*(*a*)*` is two `<em>` against one
         `em`. The fixpoint alone is self-consistency a parser
         returning the empty document passes, and the text alone one dropping every emphasis; the
-        counts close both. The exception list stays the maintainer's. One outcome is no
+        counts close both. The exception list stays the maintainer's, and one entry is owed
+        already: 3h continues a list across the marker change CommonMark splits on, so an example
+        the reference HTML gives two `<ul>` counts one `bulletList`. One outcome is no
         exception and must not be filed as one: valid CommonMark parsing to a document
-        `adfToMarkdown` refuses is a §2 hole, which is what three of `corpus/unspellable/`'s four
-        hold until 3c, 3e and 3h land their answers.
+        `adfToMarkdown` refuses is a §2 hole, which is what `corpus/unspellable/` held until 3c,
+        3e and 3h landed their answers and emptied it.
 - [ ] **4 — Round-trip property tests (`0.2.0`)**, widening 3j's corpus round-trip past the
       documents a human wrote — the thing that proves 2 and 3 beyond them. Editor-normal (§2) is
       finished here, on 3i's merging — `toEditorNormal(doc)` and the equality the round-trip
@@ -133,9 +119,9 @@ numbering is the order the work was planned in, not the order it ships.
       another node's. `0.1.0` ships with the retry in it, so a deep document is slow rather than
       wrong until the patch.
 - [ ] **5 — Release pipeline, ship `0.1.0`.** Publish-on-version-change (§9), `NPM_TOKEN` secret,
-      the repo made public first (§6). The `ConvertErrorCode` freeze (§8) is checkable here: every
-      `corpus/unspellable/` document is a decision or a deferred trigger this file names, so the
-      directory empties as they land and whatever survives is permanent. The parser's own code
+      the repo made public first (§6). The `ConvertErrorCode` freeze (§8) is checkable here: 3h
+      landed the last decision `corpus/unspellable/` held and the directory went with it, so what
+      the code list holds from here is permanent. The parser's own code
       additions are read here as one list before that freeze — nine sessions mint them
       independently, and one cause wearing two codes is breaking to undo after `0.1.0`. `0.1.0`
       is the markdown round-trip: both markdown directions, the types, `isAdfDocument`. The build