diff --git a/testing/regression-tests/266_define/good01.in b/testing/regression-tests/266_define/good01.in
index 758aa17f..81bbd3bb 100644
--- a/testing/regression-tests/266_define/good01.in
+++ b/testing/regression-tests/266_define/good01.in
@@ -1,3 +1,9 @@
-integers  1, 2, 3
-chars     'A'. 'a'
-in        1.41421356237311 ** sqrt 2.71828182845905 ** 3.14159265358979
\ No newline at end of file
+integers   1, 2, 3
+integers   4
+integers   5
+
+chars      'A' . 'a'
+chars      'B'
+chars      'C'
+
+expression 1.41421356237311 ** sqrt 2.71828182845905 ** 3.14159265358979
\ No newline at end of file
diff --git a/testing/regression-tests/266_define/good01.out b/testing/regression-tests/266_define/good01.out
index c2f02a0b..5c9079b0 100644
--- a/testing/regression-tests/266_define/good01.out
+++ b/testing/regression-tests/266_define/good01.out
@@ -3,8 +3,8 @@ Parse Successful!
 
 [Abstract Syntax]
 
-Prg (ISnoc (ISnoc (ISnoc INil 1) 2) 3) (CSnoc (CSnoc CNil (Dot ".") 'A') (Dot ".") 'a') (EPower (EDouble 1.41421356237311) (EPower (EPower (EDouble 2.71828182845905) EHalf) (EDouble 3.14159265358979)))
+[SInts (ISnoc (ISnoc (ISnoc INil 1) 2) 3),SInts (ISnoc INil 4),SInts (ISnoc INil 5),SChars (CSnoc (CSnoc CNil (Dot ".") 'A') (Dot ".") 'a'),SChars (CSnoc CNil (Dot ".") 'B'),SChars (CSnoc CNil (Dot ".") 'C'),SExp (EPower (EDouble 1.41421356237311) (EPower (EPower (EDouble 2.71828182845905) EHalf) (EDouble 3.14159265358979)))]
 
 [Linearized tree]
 
-integers, 1, 2, 3 chars . 'A' . 'a' in 1.41421356237311 ** (2.71828182845905 ** 1/2) ** 3.14159265358979
+integers, 1, 2, 3 integers, 4 integers, 5 chars . 'A' . 'a' chars . 'B' chars . 'C' expression 1.41421356237311 ** (2.71828182845905 ** 1/2) ** 3.14159265358979
diff --git a/testing/regression-tests/266_define/test.cf b/testing/regression-tests/266_define/test.cf
index 9f866aa2..220277be 100644
--- a/testing/regression-tests/266_define/test.cf
+++ b/testing/regression-tests/266_define/test.cf
@@ -1,6 +1,10 @@
 -- #266 "define" pragma
 
-Prg.      Program ::= "integers" Ints "chars" Chars "in" Exp ;
+terminator Stm "";
+
+SInts.    Stm   ::= "integers"   Ints;
+SChars.   Stm   ::= "chars"      Chars;
+SExp.     Stm   ::= "expression" Exp ;
 
 EHalf.    Exp2  ::= "1/2"           ;
 EDouble.  Exp2  ::= Double          ;