diff --git a/lib/hcl-prv.h b/lib/hcl-prv.h
index 131a3c3..d6f6f56 100644
--- a/lib/hcl-prv.h
+++ b/lib/hcl-prv.h
@@ -1061,6 +1061,13 @@ hcl_oop_t hcl_allocwordobj (
 	hcl_oow_t        len
 );
 
+hcl_oop_t hcl_instantiate (
+	hcl_t*          hcl,
+	hcl_oop_class_t _class,
+	const void*     vptr,
+	hcl_oow_t       vlen
+);
+
 /* ========================================================================= */
 /* sym.c                                                                     */
 /* ========================================================================= */
diff --git a/lib/obj.c b/lib/obj.c
index d53fed1..3bf0d92 100644
--- a/lib/obj.c
+++ b/lib/obj.c
@@ -380,7 +380,7 @@ static HCL_INLINE int decode_spec (hcl_t* hcl, hcl_oop_class_t _class, hcl_obj_t
 	return 0;
 }
 
-hcl_oop_t hcl_instantiate (hcl_t*hcl, hcl_oop_class_t _class, const void* vptr, hcl_oow_t vlen)
+hcl_oop_t hcl_instantiate (hcl_t* hcl, hcl_oop_class_t _class, const void* vptr, hcl_oow_t vlen)
 {
 	hcl_oop_t oop;
 	hcl_obj_type_t type;
@@ -402,22 +402,22 @@ hcl_oop_t hcl_instantiate (hcl_t*hcl, hcl_oop_class_t _class, const void* vptr,
 			if (HCL_LIKELY(oop))
 			{
 		#if 0
-					/* initialize named instance variables with default values */
-					if (_class->initv[0] != hcl->_nil)
-					{
-						hcl_oow_t i = HCL_OBJ_GET_SIZE(_class->initv[0]);
+				/* initialize named instance variables with default values */
+				if (_class->initv[0] != hcl->_nil)
+				{
+					hcl_oow_t i = HCL_OBJ_GET_SIZE(_class->initv[0]);
 
-						/* [NOTE] i don't deep-copy initial values.
-						 *   if you change the contents of compound values like arrays,
-						 *   it affects subsequent instantiation of the class.
-						 *   it's important that the compiler should mark compound initial
-						 *   values read-only. */
-						while (i > 0)
-						{
-							--i;
-							HCL_OBJ_SET_OOP_VAL (oop, i, HCL_OBJ_GET_OOP_VAL(_class->initv[0], i));
-						}
+					/* [NOTE] i don't deep-copy initial values.
+					 *   if you change the contents of compound values like arrays,
+					 *   it affects subsequent instantiation of the class.
+					 *   it's important that the compiler should mark compound initial
+					 *   values read-only. */
+					while (i > 0)
+					{
+						--i;
+						HCL_OBJ_SET_OOP_VAL (oop, i, HCL_OBJ_GET_OOP_VAL(_class->initv[0], i));
 					}
+				}
 		#endif
 			}
 			HCL_ASSERT (hcl, vptr == HCL_NULL);
diff --git a/lib/prim.c b/lib/prim.c
index d01425c..2d1d193 100644
--- a/lib/prim.c
+++ b/lib/prim.c
@@ -881,7 +881,6 @@ static hcl_pfrc_t pf_object_new (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
 	obj = hcl_instantiate(hcl, class_, HCL_NULL, 0);
 	if (HCL_UNLIKELY(!obj)) return HCL_PF_FAILURE;
 
-
 	HCL_STACK_SETRET (hcl, nargs, obj);
 	return HCL_PF_SUCCESS;
 }