Scope block separation around lists, guard media marks, and keep the corpus editor-authorable

corpus/round-trip/block-nodes/image-boundary.json

@@ -66,10 +66,18 @@
       "content": [
         {
           "attrs": {
-            "collection": "contentId-98237",
-            "id": "01a03389-e4eb-76a1-9eae-e8b7a01f4787",
-            "type": "file"
+            "alt": "The assembly drawing",
+            "type": "external",
+            "url": "https://example.com/assembly.png"
           },
+          "marks": [
+            {
+              "attrs": {
+                "href": "https://example.com/assembly"
+              },
+              "type": "link"
+            }
+          ],
           "type": "media"
         }
       ],

corpus/round-trip/block-nodes/image-boundary.md

@@ -14,5 +14,5 @@ Taken from Kiruna.
 :::
 
 :::mediaSingle {layout=center}
-::media {collection=contentId-98237 id=01a03389-e4eb-76a1-9eae-e8b7a01f4787 type=file}
+::media {alt="The assembly drawing" marks="[{\"attrs\":{\"href\":\"https://example.com/assembly\"},\"type\":\"link\"}]" type=external url="https://example.com/assembly.png"}
 :::

corpus/round-trip/block-nodes/table-directive.json

@@ -78,6 +78,25 @@
             }
           ],
           "type": "tableRow"
+        },
+        {
+          "content": [
+            {
+              "content": [
+                {
+                  "content": [
+                    {
+                      "text": "60",
+                      "type": "text"
+                    }
+                  ],
+                  "type": "paragraph"
+                }
+              ],
+              "type": "tableCell"
+            }
+          ],
+          "type": "tableRow"
         }
       ],
       "type": "table"

corpus/round-trip/block-nodes/table-directive.md

@@ -12,4 +12,9 @@ Bolt M8
 40
 :::
 ::::
+::::tableRow
+:::tableCell
+60
+:::
+::::
 :::::