add field name to block to highlight its name

src/grammar.json

@@ -47,8 +47,12 @@
       "type": "SEQ",
       "members": [
         {
-          "type": "SYMBOL",
-          "name": "identifier"
+          "type": "FIELD",
+          "name": "type",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          }
         },
         {
           "type": "REPEAT",
@@ -198,8 +202,17 @@
         {
           "type": "REPEAT",
           "content": {
-            "type": "PATTERN",
-            "value": "."
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "PATTERN",
+                "value": "[^\\\\\"\\n]"
+              },
+              {
+                "type": "PATTERN",
+                "value": "\\\\(.|\\n)"
+              }
+            ]
           }
         },
         {

src/node-types.json

@@ -21,10 +21,21 @@
   {
     "type": "block",
     "named": true,
-    "fields": {},
+    "fields": {
+      "type": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "identifier",
+            "named": true
+          }
+        ]
+      }
+    },
     "children": {
       "multiple": true,
-      "required": true,
+      "required": false,
       "types": [
         {
           "type": "body",