2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 7b67dd6e39..7ef93306ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Jun 25 17:44:16 2006  Tanaka Akira  <akr@m17n.org>
+
+	* parse.y (paren_args): wrap $2 by escape_Qundef because it may be
+	  Qundef.
+
 Sun Jun 25 17:18:33 2006  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/win32ole.c(ole_invoke): support some kind of
diff --git a/parse.y b/parse.y
index 53b4df983a..d7541a521c 100644
--- a/parse.y
+++ b/parse.y
@@ -2144,7 +2144,7 @@ paren_args	: '(' opt_call_args rparen
 		    /*%%%*/
 			$$ = $2;
 		    /*%
-			$$ = dispatch1(arg_paren, $2);
+			$$ = dispatch1(arg_paren, escape_Qundef($2));
 		    %*/
 		    }
 		;