From 1f025c21f7f91a69bb5f64174cd93add4e8cad46 Mon Sep 17 00:00:00 2001
From: Stefan Peters <Stefan.Peters@gbv.de>
Date: Fri, 21 Apr 2023 09:15:36 +0200
Subject: [PATCH] Fix config JSON schema for #194

---
 config/config.schema.json | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/config/config.schema.json b/config/config.schema.json
index 45edf24..90df64b 100644
--- a/config/config.schema.json
+++ b/config/config.schema.json
@@ -429,7 +429,14 @@
           ]
         },
         "mismatchTagVocabulary": {
-          "type": "object"
+          "anyOf": [
+            {
+              "type": "null"
+            },
+            {
+              "type": "object"
+            }
+          ]
         }
       }
     },