--- backup-is-src.bu	Sun Oct 22 07:45:33 2000
+++ backup-is-src	Tue Oct  8 14:07:13 2002
@@ -5,6 +5,8 @@
   cp --version
 fi
 
+[ -n "$SIMPLE_BACKUP_SUFFIX" ] && unset SIMPLE_BACKUP_SUFFIX
+
 framework_failure=0
 rm -f a a~ || framework_failure=1
 echo a > a || framework_failure=1