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-rw-r--r--unix/tclUnixPipe.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/unix/tclUnixPipe.c b/unix/tclUnixPipe.c
index 5d02486..e7199bc 100644
--- a/unix/tclUnixPipe.c
+++ b/unix/tclUnixPipe.c
@@ -4,8 +4,8 @@
* This file implements the UNIX-specific exec pipeline functions, the
* "pipe" channel driver, and the "pid" Tcl command.
*
- * Copyright (c) 1991-1994 The Regents of the University of California.
- * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright © 1991-1994 The Regents of the University of California.
+ * Copyright © 1994-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.