[PATCH] Drop an inaccurate phrase from the manpage

[Benno Schulenberg]

Options like --help and --usage allow arguments just fine:
they are simply ignored.  The words "and exit" imply this.
There is no need to mention this explicitly.

* doc/tar.1: Remove an incorrect observation, three times.
---
 doc/tar.1 | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/doc/tar.1 b/doc/tar.1
index 23ae7ac2..e87b956c 100644
--- a/doc/tar.1
+++ b/doc/tar.1
@@ -230,14 +230,13 @@ they specify names of the archive members to be extracted.
 .TP
 .TP
 \fB\-\-show\-defaults\fR
-Show built-in defaults for various \fBtar\fR options and exit.  No
-arguments are allowed.
+Show built-in defaults for various \fBtar\fR options and exit.
 .TP
 \fB\-?\fR, \fB\-\-help
-Display a short option summary and exit.  No arguments allowed.
+Display a short option summary and exit.
 .TP
 \fB\-\-usage\fR
-Display a list of available options and exit.  No arguments allowed.
+Display a list of available options and exit.
 .TP
 \fB\-\-version\fR
 Print program version and copyright information and exit.
-- 
2.40.1