From 505fe6d382674f18c4133dc0f06b0b9507fdcedf Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Mon, 5 Dec 2016 17:09:09 -0800
Subject: [PATCH] Add externals to grammar JSON schema

---
 doc/grammar-schema.json | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/grammar-schema.json b/doc/grammar-schema.json
index 5f43b279..f37cd983 100644
--- a/doc/grammar-schema.json
+++ b/doc/grammar-schema.json
@@ -40,6 +40,14 @@
           "pattern": "^[a-zA-Z_]\\w*$"
         }
       }
+    },
+
+    "externals": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "pattern": "^[a-zA-Z_]\\w*$"
+      }
     }
   },