lib/graphql/language/parser.y in graphql-0.18.6 vs lib/graphql/language/parser.y in graphql-0.18.7

@@ -226,20 +226,23 @@
           position_source: val[0]
         })
       }
 
   fragment_definition:
-    FRAGMENT name ON name_without_on directives_list_opt selection_set {
+    FRAGMENT fragment_name_opt ON name_without_on directives_list_opt selection_set {
       return make_node(:FragmentDefinition, {
           name:       val[1],
           type:       val[3],
           directives: val[4],
           selections: val[5],
           position_source: val[0],
         }
       )
     }
 
+  fragment_name_opt:
+      /* none */ { return nil }
+    | name_without_on
 
   type_system_definition:
      schema_definition
    | type_definition