Synchronize copyright years between README files

* README.QUICK: Copy copyright years from README.md.
* README.md (Copyright & Warranty): Adjust copyrights (synchronize
with that of the source files).
* alloc.c: Adjust copyrights in the file head comment and GC_copyright
(synchronize with that of updated README.QUICK).
* include/gc.h: Likewise.
* alloc.c (GC_copyright): Reformat.
* dbg_mlc.c: Add trailing dot to a copyright in the file head comment.
* finalize.c: Likewise.
* include/gc.h: Likewise.
* tests/initsecondarythread.c: Reformat copyright in the file head
comment (change C to lower case).

7 files changed, 29 insertions, 28 deletions

diff --git a/README.QUICK b/README.QUICK
index 74a257ed..35746aef 100644
--- a/README.QUICK
+++ b/README.QUICK
@@ -1,8 +1,8 @@
-Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
-Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
+Copyright (c) 1988-1989 Hans-J. Boehm, Alan J. Demers
+Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
 Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
-Copyright (c) 1999-2001 by Hewlett-Packard. All rights reserved.
-Copyright (c) 2009-2021 Ivan Maidanski
+Copyright (c) 1999-2011 Hewlett-Packard Development Company, L.P.
+Copyright (c) 2008-2021 Ivan Maidanski
 
 THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
diff --git a/README.md b/README.md
index ca9197b8..19b2f53a 100644
--- a/README.md
+++ b/README.md
@@ -554,23 +554,23 @@ GitHub.
 
 ## Copyright & Warranty
 
- * Copyright (c) 1988, 1989 Hans-J. Boehm, Alan J. Demers
+ * Copyright (c) 1988-1989 Hans-J. Boehm, Alan J. Demers
  * Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
  * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
- * Copyright (c) 1999-2011 by Hewlett-Packard Development Company.
+ * Copyright (c) 1999-2011 Hewlett-Packard Development Company, L.P.
  * Copyright (c) 2008-2021 Ivan Maidanski
 
 The files pthread_stop_world.c, pthread_support.c and some others are also
 
  * Copyright (c) 1998 by Fergus Henderson.  All rights reserved.
 
-The file include/gc.h is also
+The files dbg_mlc.c, finalize.c and include/gc.h are also
 
- * Copyright (c) 2007 Free Software Foundation, Inc
+ * Copyright (c) 2007 Free Software Foundation, Inc.
 
 The files Makefile.am and configure.ac are
 
- * Copyright (c) 2001 by Red Hat Inc. All rights reserved.
+ * Copyright (c) 1999-2001 by Red Hat, Inc.  All rights reserved.
 
 The files extra/msvc_dbg.c and include/private/msvc_dbg.h are
 
diff --git a/alloc.c b/alloc.c
index 43289c59..c46518fd 100644
--- a/alloc.c
+++ b/alloc.c
@@ -1,8 +1,8 @@
 /*
- * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
+ * Copyright (c) 1988-1989 Hans-J. Boehm, Alan J. Demers
  * Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
- * Copyright (c) 1998 by Silicon Graphics.  All rights reserved.
- * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
+ * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
+ * Copyright (c) 1999-2011 Hewlett-Packard Development Company, L.P.
  * Copyright (c) 2008-2021 Ivan Maidanski
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
@@ -143,15 +143,16 @@ STATIC word GC_used_heap_size_after_full = 0;
 EXTERN_C_BEGIN
 extern const char * const GC_copyright[];
 EXTERN_C_END
-const char * const GC_copyright[] =
-{"Copyright 1988, 1989 Hans-J. Boehm and Alan J. Demers ",
-"Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved. ",
-"Copyright (c) 1996-1998 by Silicon Graphics.  All rights reserved. ",
-"Copyright (c) 1999-2009 by Hewlett-Packard Company.  All rights reserved. ",
-"Copyright (c) 2008-2021 Ivan Maidanski ",
-"THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY",
-" EXPRESSED OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.",
-"See source code for details." };
+const char * const GC_copyright[] = {
+  "Copyright (c) 1988-1989 Hans-J. Boehm, Alan J. Demers",
+  "Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.",
+  "Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.",
+  "Copyright (c) 1999-2011 Hewlett-Packard Development Company, L.P.",
+  "Copyright (c) 2008-2021 Ivan Maidanski",
+  "THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED"
+    " OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.",
+  "See source code for details."
+};
 
 /* Version macros are now defined in gc_version.h, which is included by */
 /* gc.h, which is included by gc_priv.h.                                */
diff --git a/dbg_mlc.c b/dbg_mlc.c
index 2a16fd6f..5f1e9272 100644
--- a/dbg_mlc.c
+++ b/dbg_mlc.c
@@ -3,7 +3,7 @@
  * Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
  * Copyright (c) 1997 by Silicon Graphics.  All rights reserved.
  * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
- * Copyright (C) 2007 Free Software Foundation, Inc
+ * Copyright (c) 2007 Free Software Foundation, Inc.
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
diff --git a/finalize.c b/finalize.c
index 861c1c82..750df8b2 100644
--- a/finalize.c
+++ b/finalize.c
@@ -2,7 +2,7 @@
  * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
  * Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
  * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
- * Copyright (C) 2007 Free Software Foundation, Inc
+ * Copyright (c) 2007 Free Software Foundation, Inc.
  * Copyright (c) 2008-2020 Ivan Maidanski
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
diff --git a/include/gc.h b/include/gc.h
index 90385bed..7a7df831 100644
--- a/include/gc.h
+++ b/include/gc.h
@@ -1,9 +1,9 @@
 /*
- * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
+ * Copyright (c) 1988-1989 Hans-J. Boehm, Alan J. Demers
  * Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
- * Copyright 1996-1999 by Silicon Graphics.  All rights reserved.
- * Copyright 1999 by Hewlett-Packard Company.  All rights reserved.
- * Copyright (C) 2007 Free Software Foundation, Inc
+ * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
+ * Copyright (c) 1999 by Hewlett-Packard Company.  All rights reserved.
+ * Copyright (c) 2007 Free Software Foundation, Inc.
  * Copyright (c) 2000-2011 by Hewlett-Packard Development Company.
  * Copyright (c) 2009-2020 Ivan Maidanski
  *
diff --git a/tests/initsecondarythread.c b/tests/initsecondarythread.c
index 9ad6eb5e..38fc8658 100644
--- a/tests/initsecondarythread.c
+++ b/tests/initsecondarythread.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 Ludovic Courtes
+ * Copyright (c) 2011 Ludovic Courtes
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.