[libvirt] [PATCH v2] docs: add a note that spice channel is usable only with spice graphics

[Pavel Hrdina]

To prevent a confusion about missing chardev argument in qemu
command line add a note about that behavior into documentation.

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 docs/formatdomain.html.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index fb0a0d1..2f2976c 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -5372,6 +5372,10 @@ qemu-kvm -net nic,model=? /dev/null
       under a channel name specified in the <code>channel</code>
       attribute.  <span class="since">Since 1.2.2</span>
     </p>
+    <p>
+      Note: in order for the spiceport to be usable, the domain must have
+      spice graphics as well.
+    </p>
 
 <pre>
   ...
-- 
2.0.5