Merge pull request #232 from Clemens-U/master

Testing closing Z after time-zone offset for date-time

Author: Julian

tests/draft6/optional/format.json

@@ -33,6 +33,11 @@
                 "data": "1990-12-31T15:59:60-24:00",
                 "valid": false
             },
+            {
+                "description": "an invalid closing Z after time-zone offset",
+                "data": "1963-06-19T08:30:06.28123+01:00Z",
+                "valid": false
+            },            
             {
                 "description": "an invalid date-time string",
                 "data": "06/19/1963 08:30:06 PST",