[master] f8c6b70 Document weight on the hash director

[Lasse Karstensen]

commit f8c6b70e4edeed99d25f8c17521ebbb1981746af
Author: Lasse Karstensen <lkarsten at varnish-software.com>
Date:   Tue Mar 25 17:54:09 2014 +0100

    Document weight on the hash director

diff --git a/lib/libvmod_directors/vmod.vcc b/lib/libvmod_directors/vmod.vcc
index 24e8839..3b21dc5 100644
--- a/lib/libvmod_directors/vmod.vcc
+++ b/lib/libvmod_directors/vmod.vcc
@@ -141,9 +141,13 @@ Example
 $Method VOID .add_backend(BACKEND, REAL)
 
 Description
-       Adds a backend to the director.
+	Adds a backend to the director with a certain weight.
+
+	Weight is used as in the round_robin director. Recommended value is
+	1.0 unless you have special needs.
+
 Example
-       hdir.add_backend(backend1);
+       hdir.add_backend(backend1, 1.0);
 
 $Method BACKEND .backend(STRING_LIST)