nixos docs: format =)

1 files changed, 77 insertions, 82 deletions

diff --git a/nixos/doc/manual/configuration/x-windows.xml b/nixos/doc/manual/configuration/x-windows.xml
index fd0daf6c6e5..9a0969ad635 100644
--- a/nixos/doc/manual/configuration/x-windows.xml
+++ b/nixos/doc/manual/configuration/x-windows.xml
@@ -3,27 +3,25 @@
          xmlns:xi="http://www.w3.org/2001/XInclude"
          version="5.0"
          xml:id="sec-x11">
-
-<title>X Window System</title>
-
-<para>The X Window System (X11) provides the basis of NixOS’ graphical
-user interface.  It can be enabled as follows:
+ <title>X Window System</title>
+ <para>
+  The X Window System (X11) provides the basis of NixOS’ graphical user
+  interface. It can be enabled as follows:
 <programlisting>
 <xref linkend="opt-services.xserver.enable"/> = true;
 </programlisting>
-The X server will automatically detect and use the appropriate video
-driver from a set of X.org drivers (such as <literal>vesa</literal>
-and <literal>intel</literal>).  You can also specify a driver
-manually, e.g.
+  The X server will automatically detect and use the appropriate video driver
+  from a set of X.org drivers (such as <literal>vesa</literal> and
+  <literal>intel</literal>). You can also specify a driver manually, e.g.
 <programlisting>
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "r128" ];
 </programlisting>
-to enable X.org’s <literal>xf86-video-r128</literal> driver.</para>
-
-<para>You also need to enable at least one desktop or window manager.
-Otherwise, you can only log into a plain undecorated
-<command>xterm</command> window.  Thus you should pick one or more of
-the following lines:
+  to enable X.org’s <literal>xf86-video-r128</literal> driver.
+ </para>
+ <para>
+  You also need to enable at least one desktop or window manager. Otherwise,
+  you can only log into a plain undecorated <command>xterm</command> window.
+  Thus you should pick one or more of the following lines:
 <programlisting>
 <xref linkend="opt-services.xserver.desktopManager.plasma5.enable"/> = true;
 <xref linkend="opt-services.xserver.desktopManager.xfce.enable"/> = true;
@@ -33,108 +31,105 @@ the following lines:
 <xref linkend="opt-services.xserver.windowManager.icewm.enable"/> = true;
 <xref linkend="opt-services.xserver.windowManager.i3.enable"/> = true;
 </programlisting>
-</para>
-
-<para>NixOS’s default <emphasis>display manager</emphasis> (the
-program that provides a graphical login prompt and manages the X
-server) is SLiM. You can select an alternative one by picking one
-of the following lines:
+ </para>
+ <para>
+  NixOS’s default <emphasis>display manager</emphasis> (the program that
+  provides a graphical login prompt and manages the X server) is SLiM. You can
+  select an alternative one by picking one of the following lines:
 <programlisting>
 <xref linkend="opt-services.xserver.displayManager.sddm.enable"/> = true;
 <xref linkend="opt-services.xserver.displayManager.lightdm.enable"/> = true;
 </programlisting>
-</para>
-
-<para>You can set the keyboard layout (and optionally the layout variant):
+ </para>
+ <para>
+  You can set the keyboard layout (and optionally the layout variant):
 <programlisting>
 <xref linkend="opt-services.xserver.layout"/> = "de";
 <xref linkend="opt-services.xserver.xkbVariant"/> = "neo";
 </programlisting>
-</para>
-
-<para>The X server is started automatically at boot time.  If you
-don’t want this to happen, you can set:
+ </para>
+ <para>
+  The X server is started automatically at boot time. If you don’t want this
+  to happen, you can set:
 <programlisting>
 <xref linkend="opt-services.xserver.autorun"/> = false;
 </programlisting>
-The X server can then be started manually:
+  The X server can then be started manually:
 <screen>
 # systemctl start display-manager.service
 </screen>
-</para>
-
-
-<simplesect><title>NVIDIA Graphics Cards</title>
-
-<para>NVIDIA provides a proprietary driver for its graphics cards that
-has better 3D performance than the X.org drivers.  It is not enabled
-by default because it’s not free software.  You can enable it as follows:
+ </para>
+ <simplesect>
+  <title>NVIDIA Graphics Cards</title>
+  <para>
+   NVIDIA provides a proprietary driver for its graphics cards that has better
+   3D performance than the X.org drivers. It is not enabled by default because
+   it’s not free software. You can enable it as follows:
 <programlisting>
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "nvidia" ];
 </programlisting>
-Or if you have an older card, you may have to use one of the legacy drivers:
+   Or if you have an older card, you may have to use one of the legacy drivers:
 <programlisting>
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "nvidiaLegacy340" ];
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "nvidiaLegacy304" ];
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "nvidiaLegacy173" ];
 </programlisting>
-You may need to reboot after enabling this driver to prevent a clash
-with other kernel modules.</para>
-
-<para>On 64-bit systems, if you want full acceleration for 32-bit
-programs such as Wine, you should also set the following:
+   You may need to reboot after enabling this driver to prevent a clash with
+   other kernel modules.
+  </para>
+  <para>
+   On 64-bit systems, if you want full acceleration for 32-bit programs such as
+   Wine, you should also set the following:
 <programlisting>
 <xref linkend="opt-hardware.opengl.driSupport32Bit"/> = true;
 </programlisting>
-</para>
-
-</simplesect>
-
-<simplesect><title>AMD Graphics Cards</title>
-
-<para>AMD provides a proprietary driver for its graphics cards that
-has better 3D performance than the X.org drivers.  It is not enabled
-by default because it’s not free software.  You can enable it as follows:
+  </para>
+ </simplesect>
+ <simplesect>
+  <title>AMD Graphics Cards</title>
+  <para>
+   AMD provides a proprietary driver for its graphics cards that has better 3D
+   performance than the X.org drivers. It is not enabled by default because
+   it’s not free software. You can enable it as follows:
 <programlisting>
 <xref linkend="opt-services.xserver.videoDrivers"/> = [ "ati_unfree" ];
 </programlisting>
-You will need to reboot after enabling this driver to prevent a clash
-with other kernel modules.</para>
-
-<para>On 64-bit systems, if you want full acceleration for 32-bit
-programs such as Wine, you should also set the following:
+   You will need to reboot after enabling this driver to prevent a clash with
+   other kernel modules.
+  </para>
+  <para>
+   On 64-bit systems, if you want full acceleration for 32-bit programs such as
+   Wine, you should also set the following:
 <programlisting>
 <xref linkend="opt-hardware.opengl.driSupport32Bit"/> = true;
 </programlisting>
-</para>
-
-</simplesect>
-
-<simplesect><title>Touchpads</title>
-
-<para>Support for Synaptics touchpads (found in many laptops such as
-the Dell Latitude series) can be enabled as follows:
+  </para>
+ </simplesect>
+ <simplesect>
+  <title>Touchpads</title>
+  <para>
+   Support for Synaptics touchpads (found in many laptops such as the Dell
+   Latitude series) can be enabled as follows:
 <programlisting>
 <xref linkend="opt-services.xserver.libinput.enable"/> = true;
 </programlisting>
-The driver has many options (see <xref linkend="ch-options"/>).  For
-instance, the following disables tap-to-click behavior:
+   The driver has many options (see <xref linkend="ch-options"/>). For
+   instance, the following disables tap-to-click behavior:
 <programlisting>
 <xref linkend="opt-services.xserver.libinput.tapping"/> = false;
 </programlisting>
-Note: the use of <literal>services.xserver.synaptics</literal> is deprecated since NixOS 17.09.
-</para>
-
-</simplesect>
-
-<simplesect><title>GTK/Qt themes</title>
-
-<para>GTK themes can be installed either to user profile or system-wide (via
-<literal>environment.systemPackages</literal>). To make Qt 5 applications look similar
-to GTK2 ones, you can install <literal>qt5.qtbase.gtk</literal> package into your
-system environment. It should work for all Qt 5 library versions.
-</para>
-
-</simplesect>
-
+   Note: the use of <literal>services.xserver.synaptics</literal> is deprecated
+   since NixOS 17.09.
+  </para>
+ </simplesect>
+ <simplesect>
+  <title>GTK/Qt themes</title>
+  <para>
+   GTK themes can be installed either to user profile or system-wide (via
+   <literal>environment.systemPackages</literal>). To make Qt 5 applications
+   look similar to GTK2 ones, you can install <literal>qt5.qtbase.gtk</literal>
+   package into your system environment. It should work for all Qt 5 library
+   versions.
+  </para>
+ </simplesect>
 </chapter>