--- linuxsampler/trunk/src/scriptvm/common.h	2019/08/30 17:51:24	3585
+++ linuxsampler/trunk/src/scriptvm/common.h	2019/08/31 12:08:49	3587
@@ -800,6 +800,7 @@
          * argument passed to the function at runtime.
          *
          * @param i - function argument index (indexed from left to right)
+         * @return requested function argument or NULL if @a i out of bounds
          */
         virtual VMExpr* arg(vmint i) = 0;
     };