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diff --git a/infra/libkookie/nixpkgs/nixos/doc/manual/configuration/xfce.xml b/infra/libkookie/nixpkgs/nixos/doc/manual/configuration/xfce.xml
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@@ -0,0 +1,59 @@
+<chapter xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         version="5.0"
+         xml:id="sec-xfce">
+ <title>Xfce Desktop Environment</title>
+ <para>
+  To enable the Xfce Desktop Environment, set
+<programlisting>
+<xref linkend="opt-services.xserver.desktopManager.xfce.enable" /> = true;
+<xref linkend="opt-services.xserver.displayManager.defaultSession" /> = "xfce";
+</programlisting>
+ </para>
+ <para>
+  Optionally, <emphasis>picom</emphasis> can be enabled for nice graphical
+  effects, some example settings:
+<programlisting>
+<link linkend="opt-services.picom.enable">services.picom</link> = {
+  <link linkend="opt-services.picom.enable">enable</link> = true;
+  <link linkend="opt-services.picom.fade">fade</link> = true;
+  <link linkend="opt-services.picom.inactiveOpacity">inactiveOpacity</link> = 0.9;
+  <link linkend="opt-services.picom.shadow">shadow</link> = true;
+  <link linkend="opt-services.picom.fadeDelta">fadeDelta</link> = 4;
+};
+</programlisting>
+ </para>
+ <para>
+  Some Xfce programs are not installed automatically. To install them manually
+  (system wide), put them into your
+  <xref linkend="opt-environment.systemPackages"/> from <literal>pkgs.xfce</literal>.
+ </para>
+ <simplesect xml:id="sec-xfce-thunar-plugins">
+  <title>Thunar Plugins</title>
+  <para>
+    If you'd like to add extra plugins to Thunar, add them to
+    <xref linkend="opt-services.xserver.desktopManager.xfce.thunarPlugins"/>.
+    You shouldn't just add them to <xref linkend="opt-environment.systemPackages"/>.
+  </para>
+ </simplesect>
+ <simplesect xml:id="sec-xfce-troubleshooting">
+  <title>Troubleshooting</title>
+  <para>
+   Even after enabling udisks2, volume management might not work. Thunar and/or
+   the desktop takes time to show up. Thunar will spit out this kind of message
+   on start (look at <command>journalctl --user -b</command>).
+<programlisting>
+Thunar:2410): GVFS-RemoteVolumeMonitor-WARNING **: remote volume monitor with dbus name org.gtk.Private.UDisks2VolumeMonitor is not supported
+</programlisting>
+   This is caused by some needed GNOME services not running. This is all fixed
+   by enabling "Launch GNOME services on startup" in the Advanced tab of the
+   Session and Startup settings panel. Alternatively, you can run this command
+   to do the same thing.
+<programlisting>
+<prompt>$ </prompt>xfconf-query -c xfce4-session -p /compat/LaunchGNOME -s true
+</programlisting>
+   A log-out and re-log will be needed for this to take effect.
+  </para>
+ </simplesect>
+</chapter>