diff --git a/dev/js/spec/hintSpec.js b/dev/js/spec/hintSpec.js
index c7f53bd..acfa6f9 100644
--- a/dev/js/spec/hintSpec.js
+++ b/dev/js/spec/hintSpec.js
@@ -133,6 +133,9 @@
       expect(analyzer.test("corenlp/c=")).toEqual("corenlp/c=");
       expect(analyzer.test("corenlp/c=PP-")).toEqual("corenlp/c=PP-");
       expect(analyzer.test("corenlp/c=XY-")).toEqual("corenlp/c=XY-");
+      expect(analyzer.test("sgbr/l=")).toEqual("sgbr/l=");
+      expect(analyzer.test("sgbr/lv=")).toEqual("sgbr/lv=");
+      expect(analyzer.test("sgbr/p=")).toEqual("sgbr/p=");
     });
   });