Hold the lazy-continuation fence, and fault a colon run that closes nothing

corpus/README.md

@@ -4,7 +4,7 @@ One directory per contract kind, each landing with its milestone:
 
 - `round-trip/` — `<name>.json` + `<name>.md`: the markdown `adfToMarkdown` must emit for that
   document, byte for byte, and that `markdownToAdf` must read back to it (AGENTS.md §2). Grouped
-  by node family, `combinations/` holding what crosses them.
+  by what the fixture exercises.
 - `normalization/` — `<name>.md` + `<name>.json`: markdown input, and the document
   `markdownToAdf` must build from it. One-way; the markdown is not canonical.
 - `errors/` — `<name>.md`: markdown input that must not convert. A `<name>.error` beside it

corpus/round-trip/combinations/closing-fence-line.json

@@ -5,33 +5,6 @@
         "panelType": "info"
       },
       "content": [
-        {
-          "content": [
-            {
-              "text": ":::",
-              "type": "text"
-            }
-          ],
-          "type": "paragraph"
-        },
-        {
-          "content": [
-            {
-              "text": "::: x",
-              "type": "text"
-            }
-          ],
-          "type": "paragraph"
-        },
-        {
-          "content": [
-            {
-              "text": "::",
-              "type": "text"
-            }
-          ],
-          "type": "paragraph"
-        },
         {
           "content": [
             {
@@ -64,6 +37,33 @@
             }
           ],
           "type": "blockquote"
+        },
+        {
+          "content": [
+            {
+              "text": ":::",
+              "type": "text"
+            }
+          ],
+          "type": "paragraph"
+        },
+        {
+          "content": [
+            {
+              "text": "::: x",
+              "type": "text"
+            }
+          ],
+          "type": "paragraph"
+        },
+        {
+          "content": [
+            {
+              "text": "::",
+              "type": "text"
+            }
+          ],
+          "type": "paragraph"
         }
       ],
       "type": "panel"

corpus/round-trip/combinations/closing-fence-line.md

@@ -1,13 +1,13 @@
 :::panel info
+- \:::
+
+> \:::
+
 \:::
 
 \::: x
 
 \::
-
-- \:::
-
-> \:::
 :::
 
 \:::