added a tets case, addressed Raman's code review comment
diff --git a/asterix-algebra/src/main/javacc/AQLPlus.jj b/asterix-algebra/src/main/javacc/AQLPlus.jj
index dd72de4..6489587 100644
--- a/asterix-algebra/src/main/javacc/AQLPlus.jj
+++ b/asterix-algebra/src/main/javacc/AQLPlus.jj
@@ -768,10 +768,7 @@
 		}
 	}
 
-  	| "?"
-	{
-	  // ANY
-	}
+  	| "?" // ANY
  	 
   	)