Add an EXAMPLES section to answer PR 22255

bin/rm/rm.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: rm.1,v 1.20 2004/01/11 09:40:36 wiz Exp $
+.\"	$NetBSD: rm.1,v 1.21 2004/03/24 06:55:58 fair Exp $
 .\"
 .\" Copyright (c) 1990, 1993, 1994, 2003
 .\"	The Regents of the University of California.  All rights reserved.
@@ -116,6 +116,22 @@ The
 utility removes symbolic links, not the files referenced by the links.
 .Pp
 It is an error to attempt to remove the files ``.'' and ``..''.
+.Sh EXAMPLES
+.Nm
+uses
+.Xr getopt 3
+standard argument processing.
+Removing filenames that begin with a dash
+.Pq e.g. Ar -file
+in the current directory which might otherwise be taken as option flags to
+.Nm
+can be accomplished as follows:
+.Pp
+.Ic "rm -- -file"
+.Pp
+or
+.Pp
+.Ic "rm ./-file"
 .Sh EXIT STATUS
 The
 .Nm
@@ -132,6 +148,7 @@ exits with a value \*[Gt]0.
 .Xr undelete 2 ,
 .Xr unlink 2 ,
 .Xr fts 3 ,
+.Xr getopt 3 ,
 .Xr symlink 7
 .Sh BUGS
 The