--- stack/stack.c	2002/03/27 14:49:56	1.122
+++ stack/stack.c	2002/03/27 19:53:01	1.123
@@ -1109,7 +1109,7 @@
   }
 
   if(myenv.interactive) {
-    printf("Stack version $Revision: 1.122 $\n\
+    printf("Stack version $Revision: 1.123 $\n\
 Copyright (C) 2002  Mats Alritzson and Teddy Hogeborn\n\
 Stack comes with ABSOLUTELY NO WARRANTY; for details type 'warranty;'.\n\
 This is free software, and you are welcome to redistribute it\n\
@@ -2526,3 +2526,9 @@
   swap(env); if(env->err) return;
   toss(env);
 }
+
+extern void sx_646f(environment *env)
+{
+  swap(env); if(env->err) return;
+  eval(env);
+}