Add a comment with link to the SUSv3 standard for xargs

diff --git a/findutils/xargs.c b/findutils/xargs.c
index e2e6d3abdbb43406c8ac4c5a6bbf0ffbf9bed94e..3f3c9449c93fbaaf13c15da28c5df9da7a9bb2f7 100644 (file)
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -23,6 +23,9 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
+ * xargs is described in the Single Unix Specification v3 at
+ * http://www.opengroup.org/onlinepubs/007904975/utilities/xargs.html
+ *
  */
 
 #include <stdio.h>