diff --git a/README.md b/README.md
index bd35101..700cba0 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ A HCL program is composed of expressions.
 ## Special Form Expression
 * and
 * break
+* defclass
 * defun
 * do
 * elif
diff --git a/t/Makefile.am b/t/Makefile.am
index dab2318..1a6e0d7 100644
--- a/t/Makefile.am
+++ b/t/Makefile.am
@@ -4,7 +4,7 @@ check_SCRIPTS = \
 	insta-01.hcl \
 	insta-02.hcl \
 	ret-01.hcl \
-	retvar-01.hcl
+	retvar-01.hcl \
 	var-01.hcl 
 
 ##noinst_SCRIPTS = $(check_SCRIPTS)
diff --git a/t/Makefile.in b/t/Makefile.in
index 97de598..8c4d855 100644
--- a/t/Makefile.in
+++ b/t/Makefile.in
@@ -465,7 +465,8 @@ check_SCRIPTS = \
 	insta-01.hcl \
 	insta-02.hcl \
 	ret-01.hcl \
-	retvar-01.hcl
+	retvar-01.hcl \
+	var-01.hcl 
 
 EXTRA_DIST = $(check_SCRIPTS)
 TEST_EXTENSIONS = .hcl
@@ -838,7 +839,6 @@ uninstall-am:
 
 .PRECIOUS: Makefile
 
-	var-01.hcl 
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/t/var-01.hcl b/t/var-01.hcl
index ed88543..a9eef84 100644
--- a/t/var-01.hcl
+++ b/t/var-01.hcl
@@ -63,3 +63,30 @@
 ) 
 
 (x)
+
+
+(defclass T
+	| j |
+
+	(defun ::* new()
+		(set j 99)
+		(return self)
+	)
+
+	(defun x()
+		(do 
+			| x |
+			(set x 1)
+			(while (< x j)
+				(defun Q() x)
+				(set x (+ x 1))
+			)
+		}
+	)
+)
+
+(set t (:T new))
+(:t x)
+(set t (Q))
+(if (/= t 99) (print "ERROR: t is not 99\n")
+ else (printf "OK: %d\n" t))