[gtk+] Update the gtk3-demo man page

[Matthias Clasen <matthiasc src gnome org>]

commit d52da391835d615c3c7024010db5ade414f55ae2
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 9 10:20:07 2015 -0400

    Update the gtk3-demo man page
    
    We have options now !

 docs/reference/gtk/gtk3-demo.xml |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-demo.xml b/docs/reference/gtk/gtk3-demo.xml
index 47b32f5..d2eacb6 100644
--- a/docs/reference/gtk/gtk3-demo.xml
+++ b/docs/reference/gtk/gtk3-demo.xml
@@ -31,6 +31,9 @@
 <cmdsynopsis>
 <command>gtk3-demo</command>
 <arg choice="opt">--help</arg>
+<arg choice="opt">--list</arg>
+<arg choice="opt">--run <replaceable>EXAMPLE</replaceable></arg>
+<arg choice="opt">--autoquit</arg>
 </cmdsynopsis>
 </refsynopsisdiv>
 
@@ -53,6 +56,20 @@ other used resources, such as ui files and icons.
     <term><option>-h</option>, <option>--help</option></term>
       <listitem><para>Show help options</para></listitem>
     </varlistentry>
+    <varlistentry>
+    <term><option>--list</option></term>
+      <listitem><para>List available examples.</para></listitem>
+    </varlistentry>
+    <varlistentry>
+    <term><option>-run <replaceable>EXAMPLE</replaceable></option></term>
+      <listitem><para>Run the named example. Use <option>--list</option> to
+        see the available examples.</para></listitem>
+    </varlistentry>
+    <varlistentry>
+    <term><option>--autoquit</option></term>
+      <listitem><para>Quit after a short timeout. This is intended for use
+        with <option>--run</option>, e.g. when profiling.</para></listitem>
+    </varlistentry>
   </variablelist>
 </refsect1>