nixos docs: format =)

1 files changed, 640 insertions, 381 deletions

diff --git a/nixos/doc/manual/release-notes/rl-1509.xml b/nixos/doc/manual/release-notes/rl-1509.xml
index 6c1c46844ccb..e500c9d63422 100644
--- a/nixos/doc/manual/release-notes/rl-1509.xml
+++ b/nixos/doc/manual/release-notes/rl-1509.xml
@@ -3,375 +3,640 @@
          xmlns:xi="http://www.w3.org/2001/XInclude"
          version="5.0"
          xml:id="sec-release-15.09">
+ <title>Release 15.09 (“Dingo”, 2015/09/30)</title>
 
-<title>Release 15.09 (“Dingo”, 2015/09/30)</title>
-
-<para>In addition to numerous new and upgraded packages, this release
-has the following highlights:</para>
-
-<itemizedlist>
+ <para>
+  In addition to numerous new and upgraded packages, this release has the
+  following highlights:
+ </para>
 
+ <itemizedlist>
   <listitem>
-    <para>The <link xlink:href="http://haskell.org/">Haskell</link>
-    packages infrastructure has been re-designed from the ground up
-    (&quot;Haskell NG&quot;). NixOS now distributes the latest version
-    of every single package registered on <link
-    xlink:href="http://hackage.haskell.org/">Hackage</link> -- well in
-    excess of 8,000 Haskell packages. Detailed instructions on how to
-    use that infrastructure can be found in the <link
+   <para>
+    The <link xlink:href="http://haskell.org/">Haskell</link> packages
+    infrastructure has been re-designed from the ground up (&quot;Haskell
+    NG&quot;). NixOS now distributes the latest version of every single package
+    registered on
+    <link
+    xlink:href="http://hackage.haskell.org/">Hackage</link> -- well
+    in excess of 8,000 Haskell packages. Detailed instructions on how to use
+    that infrastructure can be found in the
+    <link
     xlink:href="http://nixos.org/nixpkgs/manual/#users-guide-to-the-haskell-infrastructure">User's
-    Guide to the Haskell Infrastructure</link>. Users migrating from an
-    earlier release may find helpful information below, in the list of
-    backwards-incompatible changes. Furthermore, we distribute 51(!)
-    additional Haskell package sets that provide every single <link
+    Guide to the Haskell Infrastructure</link>. Users migrating from an earlier
+    release may find helpful information below, in the list of
+    backwards-incompatible changes. Furthermore, we distribute 51(!) additional
+    Haskell package sets that provide every single
+    <link
     xlink:href="http://www.stackage.org/">LTS Haskell</link> release
-    since version 0.0 as well as the most recent <link
+    since version 0.0 as well as the most recent
+    <link
     xlink:href="http://www.stackage.org/">Stackage Nightly</link>
-    snapshot. The announcement <link
+    snapshot. The announcement
+    <link
     xlink:href="https://nixos.org/nix-dev/2015-September/018138.html">&quot;Full
-    Stackage Support in Nixpkgs&quot;</link> gives additional
-    details.</para>
+    Stackage Support in Nixpkgs&quot;</link> gives additional details.
+   </para>
   </listitem>
-
   <listitem>
-    <para>Nix has been updated to version 1.10, which among other
-    improvements enables cryptographic signatures on binary caches for
-    improved security.</para>
+   <para>
+    Nix has been updated to version 1.10, which among other improvements
+    enables cryptographic signatures on binary caches for improved security.
+   </para>
   </listitem>
-
   <listitem>
-    <para>You can now keep your NixOS system up to date automatically
-    by setting
-
+   <para>
+    You can now keep your NixOS system up to date automatically by setting
 <programlisting>
 system.autoUpgrade.enable = true;
 </programlisting>
-
-    This will cause the system to periodically check for updates in
-    your current channel and run <command>nixos-rebuild</command>.</para>
+    This will cause the system to periodically check for updates in your
+    current channel and run <command>nixos-rebuild</command>.
+   </para>
   </listitem>
-
   <listitem>
-    <para>This release is based on Glibc 2.21, GCC 4.9 and Linux
-    3.18.</para>
+   <para>
+    This release is based on Glibc 2.21, GCC 4.9 and Linux 3.18.
+   </para>
   </listitem>
-
   <listitem>
-    <para>GNOME has been upgraded to 3.16.
-    </para>
+   <para>
+    GNOME has been upgraded to 3.16.
+   </para>
   </listitem>
-
   <listitem>
-    <para>Xfce has been upgraded to 4.12.
-    </para>
+   <para>
+    Xfce has been upgraded to 4.12.
+   </para>
   </listitem>
-
   <listitem>
-    <para>KDE 5 has been upgraded to KDE Frameworks 5.10,
-      Plasma 5.3.2 and Applications 15.04.3.
-      KDE 4 has been updated to kdelibs-4.14.10.
-    </para>
+   <para>
+    KDE 5 has been upgraded to KDE Frameworks 5.10, Plasma 5.3.2 and
+    Applications 15.04.3. KDE 4 has been updated to kdelibs-4.14.10.
+   </para>
   </listitem>
-
   <listitem>
-    <para>E19 has been upgraded to 0.16.8.15.
-    </para>
+   <para>
+    E19 has been upgraded to 0.16.8.15.
+   </para>
   </listitem>
+ </itemizedlist>
 
-</itemizedlist>
-
-
-<para>The following new services were added since the last release:
-
+ <para>
+  The following new services were added since the last release:
   <itemizedlist>
-    <listitem><para><literal>services/mail/exim.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/apache-kafka.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/canto-daemon.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/confd.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/devmon.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/gitit.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/ihaskell.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/mbpfan.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/mediatomb.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/mwlib.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/parsoid.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/plex.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/ripple-rest.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/ripple-data-api.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/subsonic.nix</literal></para></listitem>
-    <listitem><para><literal>services/misc/sundtek.nix</literal></para></listitem>
-    <listitem><para><literal>services/monitoring/cadvisor.nix</literal></para></listitem>
-    <listitem><para><literal>services/monitoring/das_watchdog.nix</literal></para></listitem>
-    <listitem><para><literal>services/monitoring/grafana.nix</literal></para></listitem>
-    <listitem><para><literal>services/monitoring/riemann-tools.nix</literal></para></listitem>
-    <listitem><para><literal>services/monitoring/teamviewer.nix</literal></para></listitem>
-    <listitem><para><literal>services/network-filesystems/u9fs.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/aiccu.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/asterisk.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/bird.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/charybdis.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/docker-registry-server.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/fan.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/firefox/sync-server.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/gateone.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/heyefi.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/i2p.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/lambdabot.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/mstpd.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/nix-serve.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/nylon.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/racoon.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/skydns.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/shout.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/softether.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/sslh.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/tinc.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/tlsdated.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/tox-bootstrapd.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/tvheadend.nix</literal></para></listitem>
-    <listitem><para><literal>services/networking/zerotierone.nix</literal></para></listitem>
-    <listitem><para><literal>services/scheduling/marathon.nix</literal></para></listitem>
-    <listitem><para><literal>services/security/fprintd.nix</literal></para></listitem>
-    <listitem><para><literal>services/security/hologram.nix</literal></para></listitem>
-    <listitem><para><literal>services/security/munge.nix</literal></para></listitem>
-    <listitem><para><literal>services/system/cloud-init.nix</literal></para></listitem>
-    <listitem><para><literal>services/web-servers/shellinabox.nix</literal></para></listitem>
-    <listitem><para><literal>services/web-servers/uwsgi.nix</literal></para></listitem>
-    <listitem><para><literal>services/x11/unclutter.nix</literal></para></listitem>
-    <listitem><para><literal>services/x11/display-managers/sddm.nix</literal></para></listitem>
-    <listitem><para><literal>system/boot/coredump.nix</literal></para></listitem>
-    <listitem><para><literal>system/boot/loader/loader.nix</literal></para></listitem>
-    <listitem><para><literal>system/boot/loader/generic-extlinux-compatible</literal></para></listitem>
-    <listitem><para><literal>system/boot/networkd.nix</literal></para></listitem>
-    <listitem><para><literal>system/boot/resolved.nix</literal></para></listitem>
-    <listitem><para><literal>system/boot/timesyncd.nix</literal></para></listitem>
-    <listitem><para><literal>tasks/filesystems/exfat.nix</literal></para></listitem>
-    <listitem><para><literal>tasks/filesystems/ntfs.nix</literal></para></listitem>
-    <listitem><para><literal>tasks/filesystems/vboxsf.nix</literal></para></listitem>
-    <listitem><para><literal>virtualisation/virtualbox-host.nix</literal></para></listitem>
-    <listitem><para><literal>virtualisation/vmware-guest.nix</literal></para></listitem>
-    <listitem><para><literal>virtualisation/xen-dom0.nix</literal></para></listitem>
+   <listitem>
+    <para>
+     <literal>services/mail/exim.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/apache-kafka.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/canto-daemon.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/confd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/devmon.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/gitit.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/ihaskell.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/mbpfan.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/mediatomb.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/mwlib.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/parsoid.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/plex.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/ripple-rest.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/ripple-data-api.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/subsonic.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/misc/sundtek.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/monitoring/cadvisor.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/monitoring/das_watchdog.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/monitoring/grafana.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/monitoring/riemann-tools.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/monitoring/teamviewer.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/network-filesystems/u9fs.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/aiccu.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/asterisk.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/bird.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/charybdis.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/docker-registry-server.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/fan.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/firefox/sync-server.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/gateone.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/heyefi.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/i2p.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/lambdabot.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/mstpd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/nix-serve.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/nylon.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/racoon.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/skydns.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/shout.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/softether.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/sslh.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/tinc.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/tlsdated.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/tox-bootstrapd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/tvheadend.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/networking/zerotierone.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/scheduling/marathon.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/security/fprintd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/security/hologram.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/security/munge.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/system/cloud-init.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/web-servers/shellinabox.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/web-servers/uwsgi.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/x11/unclutter.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>services/x11/display-managers/sddm.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/coredump.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/loader/loader.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/loader/generic-extlinux-compatible</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/networkd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/resolved.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>system/boot/timesyncd.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>tasks/filesystems/exfat.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>tasks/filesystems/ntfs.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>tasks/filesystems/vboxsf.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>virtualisation/virtualbox-host.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>virtualisation/vmware-guest.nix</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <literal>virtualisation/xen-dom0.nix</literal>
+    </para>
+   </listitem>
   </itemizedlist>
-</para>
-
-
-<para>When upgrading from a previous release, please be aware of the
-following incompatible changes:
-
-<itemizedlist>
-
-<listitem><para><command>sshd</command> no longer supports DSA and ECDSA
-host keys by default. If you have existing systems with such host keys
-and want to continue to use them, please set
+ </para>
 
+ <para>
+  When upgrading from a previous release, please be aware of the following
+  incompatible changes:
+  <itemizedlist>
+   <listitem>
+    <para>
+     <command>sshd</command> no longer supports DSA and ECDSA host keys by
+     default. If you have existing systems with such host keys and want to
+     continue to use them, please set
 <programlisting>
 system.stateVersion = "14.12";
 </programlisting>
-
-The new option <option>system.stateVersion</option> ensures that
-certain configuration changes that could break existing systems (such
-as the <command>sshd</command> host key setting) will maintain
-compatibility with the specified NixOS release. NixOps sets the state
-version of existing deployments automatically.</para></listitem>
-
-<listitem><para><command>cron</command> is no longer enabled by
-default, unless you have a non-empty
-<option>services.cron.systemCronJobs</option>. To force
-<command>cron</command> to be enabled, set
-<option>services.cron.enable = true</option>.</para></listitem>
-
-<listitem><para>Nix now requires binary caches to be cryptographically
-signed. If you have unsigned binary caches that you want to continue
-to use, you should set <option>nix.requireSignedBinaryCaches =
-false</option>.</para></listitem>
-
-<listitem><para>Steam now doesn't need root rights to work. Instead of using
-<literal>*-steam-chrootenv</literal>, you should now just run <literal>steam</literal>.
-<literal>steamChrootEnv</literal> package was renamed to <literal>steam</literal>,
-and old <literal>steam</literal> package -- to <literal>steamOriginal</literal>.
-</para></listitem>
-
-<listitem><para>CMPlayer has been renamed to bomi upstream. Package
-<literal>cmplayer</literal> was accordingly renamed to
-<literal>bomi</literal> </para></listitem>
-
-<listitem><para>Atom Shell has been renamed to Electron upstream.  Package <literal>atom-shell</literal>
-was accordingly renamed to <literal>electron</literal>
-</para></listitem>
-
-<listitem><para>Elm is not released on Hackage anymore. You should now use <literal>elmPackages.elm</literal>
-which contains the latest Elm platform.</para></listitem>
-
-<listitem>
-  <para>The CUPS printing service has been updated to version
-  <literal>2.0.2</literal>.  Furthermore its systemd service has been
-  renamed to <literal>cups.service</literal>.</para>
-
-  <para>Local printers are no longer shared or advertised by
-  default. This behavior can be changed by enabling
-  <option>services.printing.defaultShared</option> or
-  <option>services.printing.browsing</option> respectively.</para>
-</listitem>
-
-<listitem>
-  <para>
-    The VirtualBox host and guest options have been named more
-    consistently. They can now found in
-    <option>virtualisation.virtualbox.host.*</option> instead of
-    <option>services.virtualboxHost.*</option> and
-    <option>virtualisation.virtualbox.guest.*</option> instead of
-    <option>services.virtualboxGuest.*</option>.
-  </para>
-
-  <para>
-    Also, there now is support for the <literal>vboxsf</literal> file
-    system using the <option>fileSystems</option> configuration
-    attribute. An example of how this can be used in a configuration:
-
+     The new option <option>system.stateVersion</option> ensures that certain
+     configuration changes that could break existing systems (such as the
+     <command>sshd</command> host key setting) will maintain compatibility with
+     the specified NixOS release. NixOps sets the state version of existing
+     deployments automatically.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <command>cron</command> is no longer enabled by default, unless you have a
+     non-empty <option>services.cron.systemCronJobs</option>. To force
+     <command>cron</command> to be enabled, set <option>services.cron.enable =
+     true</option>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Nix now requires binary caches to be cryptographically signed. If you have
+     unsigned binary caches that you want to continue to use, you should set
+     <option>nix.requireSignedBinaryCaches = false</option>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Steam now doesn't need root rights to work. Instead of using
+     <literal>*-steam-chrootenv</literal>, you should now just run
+     <literal>steam</literal>. <literal>steamChrootEnv</literal> package was
+     renamed to <literal>steam</literal>, and old <literal>steam</literal>
+     package -- to <literal>steamOriginal</literal>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     CMPlayer has been renamed to bomi upstream. Package
+     <literal>cmplayer</literal> was accordingly renamed to
+     <literal>bomi</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Atom Shell has been renamed to Electron upstream. Package
+     <literal>atom-shell</literal> was accordingly renamed to
+     <literal>electron</literal>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Elm is not released on Hackage anymore. You should now use
+     <literal>elmPackages.elm</literal> which contains the latest Elm platform.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The CUPS printing service has been updated to version
+     <literal>2.0.2</literal>. Furthermore its systemd service has been renamed
+     to <literal>cups.service</literal>.
+    </para>
+    <para>
+     Local printers are no longer shared or advertised by default. This
+     behavior can be changed by enabling
+     <option>services.printing.defaultShared</option> or
+     <option>services.printing.browsing</option> respectively.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The VirtualBox host and guest options have been named more consistently.
+     They can now found in <option>virtualisation.virtualbox.host.*</option>
+     instead of <option>services.virtualboxHost.*</option> and
+     <option>virtualisation.virtualbox.guest.*</option> instead of
+     <option>services.virtualboxGuest.*</option>.
+    </para>
+    <para>
+     Also, there now is support for the <literal>vboxsf</literal> file system
+     using the <option>fileSystems</option> configuration attribute. An example
+     of how this can be used in a configuration:
 <programlisting>
 fileSystems."/shiny" = {
   device = "myshinysharedfolder";
   fsType = "vboxsf";
 };
 </programlisting>
-
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    &quot;<literal>nix-env -qa</literal>&quot; no longer discovers
-    Haskell packages by name. The only packages visible in the global
-    scope are <literal>ghc</literal>, <literal>cabal-install</literal>,
-    and <literal>stack</literal>, but all other packages are hidden. The
-    reason for this inconvenience is the sheer size of the Haskell
-    package set. Name-based lookups are expensive, and most
-    <literal>nix-env -qa</literal> operations would become much slower
-    if we'd add the entire Hackage database into the top level attribute
-    set. Instead, the list of Haskell packages can be displayed by
-    running:
-  </para>
-  <programlisting>
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     &quot;<literal>nix-env -qa</literal>&quot; no longer discovers Haskell
+     packages by name. The only packages visible in the global scope are
+     <literal>ghc</literal>, <literal>cabal-install</literal>, and
+     <literal>stack</literal>, but all other packages are hidden. The reason
+     for this inconvenience is the sheer size of the Haskell package set.
+     Name-based lookups are expensive, and most <literal>nix-env -qa</literal>
+     operations would become much slower if we'd add the entire Hackage
+     database into the top level attribute set. Instead, the list of Haskell
+     packages can be displayed by running:
+    </para>
+<programlisting>
 nix-env -f &quot;&lt;nixpkgs&gt;&quot; -qaP -A haskellPackages
 </programlisting>
-  <para>
-    Executable programs written in Haskell can be installed with:
-  </para>
-  <programlisting>
+    <para>
+     Executable programs written in Haskell can be installed with:
+    </para>
+<programlisting>
 nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA haskellPackages.pandoc
 </programlisting>
-  <para>
-    Installing Haskell <emphasis>libraries</emphasis> this way, however, is no
-    longer supported. See the next item for more details.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    Previous versions of NixOS came with a feature called
-    <literal>ghc-wrapper</literal>, a small script that allowed GHC to
-    transparently pick up on libraries installed in the user's profile. This
-    feature has been deprecated; <literal>ghc-wrapper</literal> was removed
-    from the distribution. The proper way to register Haskell libraries with
-    the compiler now is the <literal>haskellPackages.ghcWithPackages</literal>
-    function. The <link
+    <para>
+     Installing Haskell <emphasis>libraries</emphasis> this way, however, is no
+     longer supported. See the next item for more details.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Previous versions of NixOS came with a feature called
+     <literal>ghc-wrapper</literal>, a small script that allowed GHC to
+     transparently pick up on libraries installed in the user's profile. This
+     feature has been deprecated; <literal>ghc-wrapper</literal> was removed
+     from the distribution. The proper way to register Haskell libraries with
+     the compiler now is the <literal>haskellPackages.ghcWithPackages</literal>
+     function. The
+     <link
     xlink:href="http://nixos.org/nixpkgs/manual/#users-guide-to-the-haskell-infrastructure">User's
-    Guide to the Haskell Infrastructure</link> provides more information about
-    this subject.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    All Haskell builds that have been generated with version 1.x of
-    the <literal>cabal2nix</literal> utility are now invalid and need
-    to be re-generated with a current version of
-    <literal>cabal2nix</literal> to function. The most recent version
-    of this tool can be installed by running
-    <literal>nix-env -i cabal2nix</literal>.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    The <literal>haskellPackages</literal> set in Nixpkgs used to have a
-    function attribute called <literal>extension</literal> that users
-    could override in their <literal>~/.nixpkgs/config.nix</literal>
-    files to configure additional attributes, etc. That function still
-    exists, but it's now called <literal>overrides</literal>.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    The OpenBLAS library has been updated to version
-    <literal>0.2.14</literal>. Support for the
-    <literal>x86_64-darwin</literal> platform was added. Dynamic
-    architecture detection was enabled; OpenBLAS now selects
-    microarchitecture-optimized routines at runtime, so optimal
-    performance is achieved without the need to rebuild OpenBLAS
-    locally. OpenBLAS has replaced ATLAS in most packages which use an
-    optimized BLAS or LAPACK implementation.
- </para>
-</listitem>
-
-<listitem>
-  <para>
-    The <literal>phpfpm</literal> is now using the default PHP version
-    (<literal>pkgs.php</literal>) instead of PHP 5.4 (<literal>pkgs.php54</literal>).
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    The <literal>locate</literal> service no longer indexes the Nix store
-    by default, preventing packages with potentially numerous versions from
-    cluttering the output. Indexing the store can be activated by setting
-    <option>services.locate.includeStore = true</option>.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    The Nix expression search path (<envar>NIX_PATH</envar>) no longer
-    contains <filename>/etc/nixos/nixpkgs</filename> by default. You
-    can override <envar>NIX_PATH</envar> by setting
-    <option>nix.nixPath</option>.
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    Python 2.6 has been marked as broken (as it no longer receives
-    security updates from upstream).
-  </para>
-</listitem>
-
-<listitem>
-  <para>
-    Any use of module arguments such as <varname>pkgs</varname> to access
-    library functions, or to define <literal>imports</literal> attributes
-    will now lead to an infinite loop at the time of the evaluation.
-  </para>
-
-  <para>
-    In case of an infinite loop, use the <command>--show-trace</command>
-    command line argument and read the line just above the error message.
-
+     Guide to the Haskell Infrastructure</link> provides more information about
+     this subject.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     All Haskell builds that have been generated with version 1.x of the
+     <literal>cabal2nix</literal> utility are now invalid and need to be
+     re-generated with a current version of <literal>cabal2nix</literal> to
+     function. The most recent version of this tool can be installed by running
+     <literal>nix-env -i cabal2nix</literal>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The <literal>haskellPackages</literal> set in Nixpkgs used to have a
+     function attribute called <literal>extension</literal> that users could
+     override in their <literal>~/.nixpkgs/config.nix</literal> files to
+     configure additional attributes, etc. That function still exists, but it's
+     now called <literal>overrides</literal>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The OpenBLAS library has been updated to version
+     <literal>0.2.14</literal>. Support for the
+     <literal>x86_64-darwin</literal> platform was added. Dynamic architecture
+     detection was enabled; OpenBLAS now selects microarchitecture-optimized
+     routines at runtime, so optimal performance is achieved without the need
+     to rebuild OpenBLAS locally. OpenBLAS has replaced ATLAS in most packages
+     which use an optimized BLAS or LAPACK implementation.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The <literal>phpfpm</literal> is now using the default PHP version
+     (<literal>pkgs.php</literal>) instead of PHP 5.4
+     (<literal>pkgs.php54</literal>).
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The <literal>locate</literal> service no longer indexes the Nix store by
+     default, preventing packages with potentially numerous versions from
+     cluttering the output. Indexing the store can be activated by setting
+     <option>services.locate.includeStore = true</option>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The Nix expression search path (<envar>NIX_PATH</envar>) no longer
+     contains <filename>/etc/nixos/nixpkgs</filename> by default. You can
+     override <envar>NIX_PATH</envar> by setting <option>nix.nixPath</option>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Python 2.6 has been marked as broken (as it no longer receives security
+     updates from upstream).
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Any use of module arguments such as <varname>pkgs</varname> to access
+     library functions, or to define <literal>imports</literal> attributes will
+     now lead to an infinite loop at the time of the evaluation.
+    </para>
+    <para>
+     In case of an infinite loop, use the <command>--show-trace</command>
+     command line argument and read the line just above the error message.
 <screen>
 $ nixos-rebuild build --show-trace
 …
 while evaluating the module argument `pkgs' in "/etc/nixos/my-module.nix":
 infinite recursion encountered
 </screen>
-  </para>
-
-
-  <para>
-    Any use of <literal>pkgs.lib</literal>, should be replaced by
-    <varname>lib</varname>, after adding it as argument of the module.  The
-    following module
-
+    </para>
+    <para>
+     Any use of <literal>pkgs.lib</literal>, should be replaced by
+     <varname>lib</varname>, after adding it as argument of the module. The
+     following module
 <programlisting>
 { config, pkgs, ... }:
 
@@ -384,9 +649,7 @@ with pkgs.lib;
   config = mkIf config.foo { … };
 }
 </programlisting>
-
-   should be modified to look like:
-
+     should be modified to look like:
 <programlisting>
 { config, pkgs, lib, ... }:
 
@@ -399,13 +662,11 @@ with lib;
   config = mkIf config.foo { <replaceable>option definition</replaceable> };
 }
 </programlisting>
-  </para>
-
-  <para>
-    When <varname>pkgs</varname> is used to download other projects to
-    import their modules, and only in such cases, it should be replaced by
-    <literal>(import &lt;nixpkgs&gt; {})</literal>.  The following module
-
+    </para>
+    <para>
+     When <varname>pkgs</varname> is used to download other projects to import
+     their modules, and only in such cases, it should be replaced by
+     <literal>(import &lt;nixpkgs&gt; {})</literal>. The following module
 <programlisting>
 { config, pkgs, ... }:
 
@@ -420,9 +681,7 @@ in
   imports = [ "${myProject}/module.nix" ];
 }
 </programlisting>
-
-    should be modified to look like:
-
+     should be modified to look like:
 <programlisting>
 { config, pkgs, ... }:
 
@@ -437,55 +696,55 @@ in
   imports = [ "${myProject}/module.nix" ];
 }
 </programlisting>
-  </para>
-
-</listitem>
-
-</itemizedlist>
-</para>
-
-
-<para>Other notable improvements:
-
-<itemizedlist>
-
-  <listitem><para>The nixos and nixpkgs channels were unified,
-    so one <emphasis>can</emphasis> use <literal>nix-env -iA nixos.bash</literal>
-    instead of <literal>nix-env -iA nixos.pkgs.bash</literal>.
-    See <link xlink:href="https://github.com/NixOS/nixpkgs/commit/2cd7c1f198">the commit</link> for details.
-  </para></listitem>
+    </para>
+   </listitem>
+  </itemizedlist>
+ </para>
 
-  <listitem>
+ <para>
+  Other notable improvements:
+  <itemizedlist>
+   <listitem>
     <para>
-      Users running an SSH server who worry about the quality of their
-      <literal>/etc/ssh/moduli</literal> file with respect to the
-      <link
+     The nixos and nixpkgs channels were unified, so one
+     <emphasis>can</emphasis> use <literal>nix-env -iA nixos.bash</literal>
+     instead of <literal>nix-env -iA nixos.pkgs.bash</literal>. See
+     <link xlink:href="https://github.com/NixOS/nixpkgs/commit/2cd7c1f198">the
+     commit</link> for details.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     Users running an SSH server who worry about the quality of their
+     <literal>/etc/ssh/moduli</literal> file with respect to the
+     <link
       xlink:href="https://stribika.github.io/2015/01/04/secure-secure-shell.html">vulnerabilities
-      discovered in the Diffie-Hellman key exchange</link> can now
-      replace OpenSSH's default version with one they generated
-      themselves using the new
-      <option>services.openssh.moduliFile</option> option.
-      </para>
-  </listitem>
-
-  <listitem> <para>
-    A newly packaged TeX Live 2015 is provided in <literal>pkgs.texlive</literal>,
-    split into 6500 nix packages. For basic user documentation see
-    <link xlink:href="https://github.com/NixOS/nixpkgs/blob/release-15.09/pkgs/tools/typesetting/tex/texlive/default.nix#L1"
-      >the source</link>.
-    Beware of <link xlink:href="https://github.com/NixOS/nixpkgs/issues/9757"
-      >an issue</link> when installing a too large package set.
-
-    The plan is to deprecate and maybe delete the original TeX packages
-    until the next release.
-  </para> </listitem>
-
-  <listitem><para>
-    <option>buildEnv.env</option> on all Python interpreters
-    is now available for nix-shell interoperability.
-  </para> </listitem>
-</itemizedlist>
-
-</para>
-
+     discovered in the Diffie-Hellman key exchange</link> can now replace
+     OpenSSH's default version with one they generated themselves using the new
+     <option>services.openssh.moduliFile</option> option.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     A newly packaged TeX Live 2015 is provided in
+     <literal>pkgs.texlive</literal>, split into 6500 nix packages. For basic
+     user documentation see
+     <link xlink:href="https://github.com/NixOS/nixpkgs/blob/release-15.09/pkgs/tools/typesetting/tex/texlive/default.nix#L1"
+      >the
+     source</link>. Beware of
+     <link xlink:href="https://github.com/NixOS/nixpkgs/issues/9757"
+      >an
+     issue</link> when installing a too large package set. The plan is to
+     deprecate and maybe delete the original TeX packages until the next
+     release.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     <option>buildEnv.env</option> on all Python interpreters is now available
+     for nix-shell interoperability.
+    </para>
+   </listitem>
+  </itemizedlist>
+ </para>
 </section>