diff --git a/Parser/acceler.c b/Parser/acceler.c
index aee54ab3cf9..9f75b5da6cb 100644
--- a/Parser/acceler.c
+++ b/Parser/acceler.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/bitset.c b/Parser/bitset.c
index 84c268cb5ab..dd32d0e111e 100644
--- a/Parser/bitset.c
+++ b/Parser/bitset.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/firstsets.c b/Parser/firstsets.c
index 57bdb967c16..b76230d4f9b 100644
--- a/Parser/firstsets.c
+++ b/Parser/firstsets.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/grammar.c b/Parser/grammar.c
index b422cf5ef48..90050272b0a 100644
--- a/Parser/grammar.c
+++ b/Parser/grammar.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/grammar1.c b/Parser/grammar1.c
index ee8933f0b36..2abd3db3714 100644
--- a/Parser/grammar1.c
+++ b/Parser/grammar1.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/intrcheck.c b/Parser/intrcheck.c
index e9b01349760..32b6555c1ed 100644
--- a/Parser/intrcheck.c
+++ b/Parser/intrcheck.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/listnode.c b/Parser/listnode.c
index 6d0eb45bab4..719b1bb9c98 100644
--- a/Parser/listnode.c
+++ b/Parser/listnode.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/metagrammar.c b/Parser/metagrammar.c
index 5d0b5b3ac5d..bb0750bc139 100644
--- a/Parser/metagrammar.c
+++ b/Parser/metagrammar.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/myreadline.c b/Parser/myreadline.c
index 18f8b1d01b8..28008dbcf1c 100644
--- a/Parser/myreadline.c
+++ b/Parser/myreadline.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/node.c b/Parser/node.c
index afeb99eab14..2c048c7adbc 100644
--- a/Parser/node.c
+++ b/Parser/node.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/parser.c b/Parser/parser.c
index 1b11801e8f0..54cc9ee33cd 100644
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/parser.h b/Parser/parser.h
index ed45d2e46ab..9949a0edf89 100644
--- a/Parser/parser.h
+++ b/Parser/parser.h
@@ -5,8 +5,8 @@ extern "C" {
 #endif
 
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index a9389e1c363..ce79ce64a52 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/pgen.c b/Parser/pgen.c
index 1827477a5f8..db08d779698 100644
--- a/Parser/pgen.c
+++ b/Parser/pgen.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/pgen.h b/Parser/pgen.h
index d9d1d09e8a1..d5d0a2779a0 100644
--- a/Parser/pgen.h
+++ b/Parser/pgen.h
@@ -5,8 +5,8 @@ extern "C" {
 #endif
 
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/pgenmain.c b/Parser/pgenmain.c
index c93fadeb918..77743e6cc36 100644
--- a/Parser/pgenmain.c
+++ b/Parser/pgenmain.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/printgrammar.c b/Parser/printgrammar.c
index 6699726fe58..ad1ef106fc7 100644
--- a/Parser/printgrammar.c
+++ b/Parser/printgrammar.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index baed65d5cca..75b63fbcb1b 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Parser/tokenizer.h b/Parser/tokenizer.h
index edd0d192aee..d5b36647b6f 100644
--- a/Parser/tokenizer.h
+++ b/Parser/tokenizer.h
@@ -5,8 +5,8 @@ extern "C" {
 #endif
 
 /***********************************************************
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved