In the SEE ALSO list,

- remove duplicated `environ(7)'.
- remove unexistent system call `trace(2)'.
- delete a period at the end.

lib/libc/gen/exec.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: exec.3,v 1.6 1997/07/14 23:19:40 kleink Exp $
+.\"	$NetBSD: exec.3,v 1.7 1997/11/23 04:18:30 enami Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -215,10 +215,8 @@ for any of the errors specified for the library function
 .Xr sh 1 ,
 .Xr execve 2 ,
 .Xr fork 2 ,
-.Xr trace 2 ,
-.Xr environ 7 ,
 .Xr ptrace 2 ,
-.Xr environ 7 .
+.Xr environ 7
 .Sh COMPATIBILITY
 Historically, the default path for the
 .Fn execlp