diff --git a/COPYING b/COPYING
index 704f0ba..1bc70c6 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,6 @@
 Copyright (c) 1993-1999 Richard Kelsey and Jonathan Rees
+Copyright (c) 1994-2000 by Olin Shivers and Brian D. Carlstrom.
+Copyright (c) 1999-2000 by Martin Gasbichler.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -23,7 +25,6 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-
 Distributing Autoconf Output
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