Add user help for --listen, bug 711396

help/C/notification.page

@@ -16,7 +16,13 @@
         <title><cmd>--text</cmd>=<var>text</var></title>
 	  <p>Specifies the text that is displayed in the notification area.</p>
       </item>
-
+      <item>
+        <title><cmd>--listen</cmd>=icon: '<var>text</var>', message: '<var>text</var>', tooltip: '<var>text</var>', visible: '<var>text</var>',</title>
+          <p>Listens for commands at standard input. At least one command must be specified. Commands are comma seperated. A command must be followed by a colon and a value. </p>
+          <note style="tip">
+            <p>The <cmd>icon</cmd> command also accepts four stock icon values such as <var>error</var>, <var>info</var>, <var>question</var> and <var>warning</var>.</p>
+          </note>
+      </item>
     </terms>
 
     <p>
@@ -30,10 +36,28 @@ zenity --notification\
   --text="There are system updates necessary!"
 </code>
 
-
     <figure id="zenity-notification-screenshot">
       <title>Notification Icon Example</title>
       <desc><app>Zenity</app> notification icon example</desc>
       <media type="image" mime="image/png" src="figures/zenity-notification-screenshot.png"/>
    </figure>
-</page>
+
+    <p>
+      The following example script shows how to create a notification icon along with <cmd>--listen</cmd>:
+    </p>
+
+<code>
+#!/bin/sh
+
+cat &#60;&#60;EOH| zenity --notification --listen
+message: this is the message text
+EOH
+</code>
+
+    <figure id="zenity-notification-listen-screenshot">
+      <title>Notification Icon with <cmd>--listen</cmd> Example</title>
+      <desc><app>Zenity</app> notification with <cmd>--listen</cmd> example</desc>
+      <media type="image" mime="image/png" src="figures/zenity-notification-listen-screenshot.png"/>
+   </figure>
+
+</page>