[patch] gzip.1: gzip is capable of decompressing xz files

[Joachim Henke <free.software%gmx.com@localhost>]

The attached patch documents NetBSD gzip's ability to decompress
xz-compressed files.

Regards,
Jo.

Index: gzip.1
===================================================================
RCS file: /cvsroot/src/usr.bin/gzip/gzip.1,v
retrieving revision 1.24
diff -u -r1.24 gzip.1
--- gzip.1	13 Jan 2015 02:37:20 -0000	1.24
+++ gzip.1	6 Apr 2015 20:40:53 -0000
@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd January 13, 2015
+.Dd April 6, 2015
 .Dt GZIP 1
 .Os
 .Sh NAME
@@ -92,9 +92,10 @@
 This version of
 .Nm
 is also capable of decompressing files compressed using
-.Xr compress 1
+.Xr compress 1 ,
+.Xr bzip2 1 ,
 or
-.Xr bzip2 1 .
+.Xr xz 1 .
 .Sh OPTIONS
 The following options are available:
 .Bl -tag -width XXrXXXrecursiveX