diff --git a/ChangeLog b/ChangeLog
index a2e8164cfd..bdd5b6ce00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 23 00:48:10 2008  Akinori MUSHA  <knu@iDaemons.org>
+
+	* eval.c (rb_copy_node_scope), node.h: Rename from copy_node_scope
+	  and export.
+
 Thu May 22 21:24:15 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (top_local_setup): fixed memory leak bug based on a
diff --git a/eval.c b/eval.c
index e0711806a4..2e78f4a4d9 100644
--- a/eval.c
+++ b/eval.c
@@ -2242,8 +2242,8 @@ rb_mod_alias_method(mod, newname, oldname)
     return mod;
 }
 
-static NODE*
-copy_node_scope(node, rval)
+NODE *
+rb_copy_node_scope(node, rval)
     NODE *node;
     NODE *rval;
 {
@@ -3955,7 +3955,7 @@ rb_eval(self, n)
 		noex |= NOEX_NOSUPER;
 	    }
 
-	    defn = copy_node_scope(node->nd_defn, ruby_cref);
+	    defn = rb_copy_node_scope(node->nd_defn, ruby_cref);
 	    rb_add_method(ruby_class, node->nd_mid, defn, noex);
 	    if (scope_vmode == SCOPE_MODFUNC) {
 		rb_add_method(rb_singleton_class(ruby_class),
@@ -3992,7 +3992,7 @@ rb_eval(self, n)
 		    rb_warning("redefine %s", rb_id2name(node->nd_mid));
 		}
 	    }
-	    defn = copy_node_scope(node->nd_defn, ruby_cref);
+	    defn = rb_copy_node_scope(node->nd_defn, ruby_cref);
 	    rb_add_method(klass, node->nd_mid, defn,
 			  NOEX_PUBLIC|(body?body->nd_noex&NOEX_UNDEF:0));
 	    result = Qnil;
diff --git a/node.h b/node.h
index 87c0a4587f..0c7227eb28 100644
--- a/node.h
+++ b/node.h
@@ -371,6 +371,7 @@ typedef unsigned int rb_event_t;
 #define RUBY_EVENT_ALL      0xff
 
 typedef void (*rb_event_hook_func_t) _((rb_event_t,NODE*,VALUE,ID,VALUE));
+NODE *rb_copy_node_scope _((NODE *, NODE *));
 void rb_add_event_hook _((rb_event_hook_func_t,rb_event_t));
 int rb_remove_event_hook _((rb_event_hook_func_t));