diff --git a/d2compiler/compile_test.go b/d2compiler/compile_test.go
index bf90f58c2..bfb065256 100644
--- a/d2compiler/compile_test.go
+++ b/d2compiler/compile_test.go
@@ -2494,16 +2494,18 @@ d2/testdata/d2compiler/TestCompile/grid_edge.d2:7:2: edges into grid diagrams ar
 	grid-rows: 1
 	a -> b: ok
 	b: {
-		c -> d: not yet
+		c -> d: ok now
 	}
 	a: {
 		grid-columns: 1
-		e -> f: also not yet
+		e -> f: also ok now
 	}
+	a -> b.c: not yet
+	a.e -> b.c: also not yet
 }
 `,
-			expErr: `d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:9:3: edge must be on direct child of grid diagram "hey"
-d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:5:3: grid diagrams can only have edges between children right now`,
+			expErr: `d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:11:2: edges from grid diagram must be external
+d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:12:2: edges into grid diagrams are not supported yet`,
 		},
 		{
 			name: "grid_nested",
diff --git a/testdata/d2compiler/TestCompile/grid_deeper_edge.exp.json b/testdata/d2compiler/TestCompile/grid_deeper_edge.exp.json
index abe81dc64..d823720b8 100644
--- a/testdata/d2compiler/TestCompile/grid_deeper_edge.exp.json
+++ b/testdata/d2compiler/TestCompile/grid_deeper_edge.exp.json
@@ -1,15 +1,803 @@
 {
-  "graph": null,
-  "err": {
-    "errs": [
+  "graph": {
+    "name": "",
+    "isFolderOnly": false,
+    "ast": {
+      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-11:0:110",
+      "nodes": [
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-10:1:109",
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-0:3:3",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-0:3:3",
+                    "value": [
+                      {
+                        "string": "hey",
+                        "raw_string": "hey"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "primary": {},
+            "value": {
+              "map": {
+                "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:5:5-10:1:109",
+                "nodes": [
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,1:1:8-1:13:20",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,1:1:8-1:10:17",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,1:1:8-1:10:17",
+                              "value": [
+                                {
+                                  "string": "grid-rows",
+                                  "raw_string": "grid-rows"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "number": {
+                          "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,1:12:19-1:13:20",
+                          "raw": "1",
+                          "value": "1"
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:11:32",
+                      "edges": [
+                        {
+                          "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:7:28",
+                          "src": {
+                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:2:23",
+                            "path": [
+                              {
+                                "unquoted_string": {
+                                  "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:2:23",
+                                  "value": [
+                                    {
+                                      "string": "a",
+                                      "raw_string": "a"
+                                    }
+                                  ]
+                                }
+                              }
+                            ]
+                          },
+                          "src_arrow": "",
+                          "dst": {
+                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:6:27-2:7:28",
+                            "path": [
+                              {
+                                "unquoted_string": {
+                                  "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:6:27-2:7:28",
+                                  "value": [
+                                    {
+                                      "string": "b",
+                                      "raw_string": "b"
+                                    }
+                                  ]
+                                }
+                              }
+                            ]
+                          },
+                          "dst_arrow": ">"
+                        }
+                      ],
+                      "primary": {},
+                      "value": {
+                        "unquoted_string": {
+                          "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:9:30-2:11:32",
+                          "value": [
+                            {
+                              "string": "ok",
+                              "raw_string": "ok"
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:1:34-5:2:58",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:1:34-3:2:35",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:1:34-3:2:35",
+                              "value": [
+                                {
+                                  "string": "b",
+                                  "raw_string": "b"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "map": {
+                          "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:4:37-5:2:58",
+                          "nodes": [
+                            {
+                              "map_key": {
+                                "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:16:55",
+                                "edges": [
+                                  {
+                                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:8:47",
+                                    "src": {
+                                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:3:42",
+                                      "path": [
+                                        {
+                                          "unquoted_string": {
+                                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:3:42",
+                                            "value": [
+                                              {
+                                                "string": "c",
+                                                "raw_string": "c"
+                                              }
+                                            ]
+                                          }
+                                        }
+                                      ]
+                                    },
+                                    "src_arrow": "",
+                                    "dst": {
+                                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:7:46-4:8:47",
+                                      "path": [
+                                        {
+                                          "unquoted_string": {
+                                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:7:46-4:8:47",
+                                            "value": [
+                                              {
+                                                "string": "d",
+                                                "raw_string": "d"
+                                              }
+                                            ]
+                                          }
+                                        }
+                                      ]
+                                    },
+                                    "dst_arrow": ">"
+                                  }
+                                ],
+                                "primary": {},
+                                "value": {
+                                  "unquoted_string": {
+                                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:10:49-4:16:55",
+                                    "value": [
+                                      {
+                                        "string": "ok now",
+                                        "raw_string": "ok now"
+                                      }
+                                    ]
+                                  }
+                                }
+                              }
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:1:60-9:2:107",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:1:60-6:2:61",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:1:60-6:2:61",
+                              "value": [
+                                {
+                                  "string": "a",
+                                  "raw_string": "a"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "map": {
+                          "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:4:63-9:2:107",
+                          "nodes": [
+                            {
+                              "map_key": {
+                                "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,7:2:67-7:17:82",
+                                "key": {
+                                  "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,7:2:67-7:14:79",
+                                  "path": [
+                                    {
+                                      "unquoted_string": {
+                                        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,7:2:67-7:14:79",
+                                        "value": [
+                                          {
+                                            "string": "grid-columns",
+                                            "raw_string": "grid-columns"
+                                          }
+                                        ]
+                                      }
+                                    }
+                                  ]
+                                },
+                                "primary": {},
+                                "value": {
+                                  "number": {
+                                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,7:16:81-7:17:82",
+                                    "raw": "1",
+                                    "value": "1"
+                                  }
+                                }
+                              }
+                            },
+                            {
+                              "map_key": {
+                                "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:2:85-8:21:104",
+                                "edges": [
+                                  {
+                                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:2:85-8:8:91",
+                                    "src": {
+                                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:2:85-8:3:86",
+                                      "path": [
+                                        {
+                                          "unquoted_string": {
+                                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:2:85-8:3:86",
+                                            "value": [
+                                              {
+                                                "string": "e",
+                                                "raw_string": "e"
+                                              }
+                                            ]
+                                          }
+                                        }
+                                      ]
+                                    },
+                                    "src_arrow": "",
+                                    "dst": {
+                                      "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:7:90-8:8:91",
+                                      "path": [
+                                        {
+                                          "unquoted_string": {
+                                            "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:7:90-8:8:91",
+                                            "value": [
+                                              {
+                                                "string": "f",
+                                                "raw_string": "f"
+                                              }
+                                            ]
+                                          }
+                                        }
+                                      ]
+                                    },
+                                    "dst_arrow": ">"
+                                  }
+                                ],
+                                "primary": {},
+                                "value": {
+                                  "unquoted_string": {
+                                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:10:93-8:21:104",
+                                    "value": [
+                                      {
+                                        "string": "also ok now",
+                                        "raw_string": "also ok now"
+                                      }
+                                    ]
+                                  }
+                                }
+                              }
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  }
+                ]
+              }
+            }
+          }
+        }
+      ]
+    },
+    "root": {
+      "id": "",
+      "id_val": "",
+      "attributes": {
+        "label": {
+          "value": ""
+        },
+        "labelDimensions": {
+          "width": 0,
+          "height": 0
+        },
+        "style": {},
+        "near_key": null,
+        "shape": {
+          "value": ""
+        },
+        "direction": {
+          "value": ""
+        },
+        "constraint": null
+      },
+      "zIndex": 0
+    },
+    "edges": [
       {
-        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,8:2:86-8:8:92",
-        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:9:3: edge must be on direct child of grid diagram \"hey\""
+        "index": 0,
+        "isCurve": false,
+        "src_arrow": false,
+        "dst_arrow": true,
+        "references": [
+          {
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "ok"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": ""
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
       },
       {
-        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:8:47",
-        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:5:3: grid diagrams can only have edges between children right now"
+        "index": 0,
+        "isCurve": false,
+        "src_arrow": false,
+        "dst_arrow": true,
+        "references": [
+          {
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "ok now"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": ""
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      },
+      {
+        "index": 0,
+        "isCurve": false,
+        "src_arrow": false,
+        "dst_arrow": true,
+        "references": [
+          {
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "also ok now"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": ""
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      }
+    ],
+    "objects": [
+      {
+        "id": "hey",
+        "id_val": "hey",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-0:3:3",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,0:0:0-0:3:3",
+                    "value": [
+                      {
+                        "string": "hey",
+                        "raw_string": "hey"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": -1
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "hey"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": "rectangle"
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null,
+          "gridRows": {
+            "value": "1"
+          }
+        },
+        "zIndex": 0
+      },
+      {
+        "id": "a",
+        "id_val": "a",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:2:23",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:1:22-2:2:23",
+                    "value": [
+                      {
+                        "string": "a",
+                        "raw_string": "a"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": 0
+          },
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:1:60-6:2:61",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,6:1:60-6:2:61",
+                    "value": [
+                      {
+                        "string": "a",
+                        "raw_string": "a"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": -1
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "a"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": "rectangle"
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null,
+          "gridColumns": {
+            "value": "1"
+          }
+        },
+        "zIndex": 0
+      },
+      {
+        "id": "b",
+        "id_val": "b",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:6:27-2:7:28",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,2:6:27-2:7:28",
+                    "value": [
+                      {
+                        "string": "b",
+                        "raw_string": "b"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": 0
+          },
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:1:34-3:2:35",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,3:1:34-3:2:35",
+                    "value": [
+                      {
+                        "string": "b",
+                        "raw_string": "b"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": -1
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "b"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": "rectangle"
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      },
+      {
+        "id": "c",
+        "id_val": "c",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:3:42",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:2:41-4:3:42",
+                    "value": [
+                      {
+                        "string": "c",
+                        "raw_string": "c"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "c"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "near_key": null,
+          "shape": {
+            "value": "rectangle"
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      },
+      {
+        "id": "d",
+        "id_val": "d",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:7:46-4:8:47",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,4:7:46-4:8:47",
+                    "value": [
+                      {
+                        "string": "d",
+                        "raw_string": "d"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "d"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
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