see also the handy 'pv' pipe viewer utility (merge from devbr6)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@37252 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.in.xyz/r.in.xyz.html

@@ -227,8 +227,11 @@ Development Team.
 <a href="r.univar.sh.html">r.univar.sh</a><br>
 <a href="v.in.ascii.html">v.in.ascii</a><br>
 <a href="v.out.ascii.html">v.out.ascii</a><br>
-<a href="v.surf.rst.html">v.surf.rst</a>
-</i>
+<a href="v.surf.rst.html">v.surf.rst</a></i>
+<p>
+<i><a href="http://www.ivarch.com/programs/pv.shtml">pv</a></i>
+ - The UNIX pipe viewer utility
+<BR><BR>
 
 
 <h2>AUTHORS</h2>