schemas/popolo/person.json in pupa-0.0.13 vs schemas/popolo/person.json in pupa-0.1.0

@@ -9,12 +9,11 @@
       "description": "The person's unique identifier",
       "type": ["string", "null"]
     },
     "name": {
       "description": "A person's preferred full name",
-      "type": "string",
-      "required": true
+      "type": ["string", "null"]
     },
     "other_names": {
       "description": "Alternate or former names",
       "type": "array",
       "items": {
@@ -51,11 +50,11 @@
     "patronymic_name": {
       "description": "One or more patronymic names",
       "type": ["string", "null"]
     },
     "sort_name": {
-      "description": "A name to use in an lexicographically ordered list",
+      "description": "A name to use in a lexicographically ordered list",
       "type": ["string", "null"]
     },
     "email": {
       "description": "A preferred email address",
       "type": ["string", "null"],
@@ -84,9 +83,13 @@
       "description": "A one-line account of a person's life",
       "type": ["string", "null"]
     },
     "biography": {
       "description": "An extended account of a person's life",
+      "type": ["string", "null"]
+    },
+    "national_identity": {
+      "description": "A national identity",
       "type": ["string", "null"]
     },
     "contact_details": {
       "description": "Means of contacting the person",
       "type": "array",