doc: reformat XML files

(cherry picked from commit f3f7c5cc57)

doc/installation.xml

@@ -86,8 +86,8 @@ $ nix-channel --update
      if you follow a Nixpkgs version 18.09 channel.
     </para>
     <para>
-     On NixOS you may need to log out and back in for the channel to
+     On NixOS you may need to log out and back in for the channel to become
-     become available. On non-NixOS you may have to add
+     available. On non-NixOS you may have to add
 <programlisting>
 export NIX_PATH=$HOME/.nix-defexpr/channels${NIX_PATH:+:}$NIX_PATH
 </programlisting>

doc/man-configuration.xml

@@ -7,22 +7,19 @@
   <refmiscinfo class="source">Home Manager</refmiscinfo>
 <!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
  </refmeta>
-
  <refnamediv>
   <refname><filename>home-configuration.nix</filename></refname>
   <refpurpose>Home Manager configuration specification</refpurpose>
  </refnamediv>
-
  <refsection>
   <title>Description</title>
   <para>
-   The file <filename>~/.config/nixpkgs/home.nix</filename> contains
+   The file <filename>~/.config/nixpkgs/home.nix</filename> contains the
-   the declarative specification of your Home Manager configuration.
+   declarative specification of your Home Manager configuration. The command
-   The command <command>home-manager</command> takes this file and
+   <command>home-manager</command> takes this file and realises the user
-   realises the user environment configuration specified therein.
+   environment configuration specified therein.
   </para>
  </refsection>
-
  <refsection>
   <title>Options</title>
   <para>

doc/man-home-manager.xml

@@ -7,54 +7,71 @@
   <refmiscinfo class="source">Home Manager</refmiscinfo>
 <!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
  </refmeta>
-
  <refnamediv>
   <refname><command>home-manager</command></refname>
   <refpurpose>reconfigure a user environment</refpurpose>
  </refnamediv>
-
  <refsynopsisdiv>
   <cmdsynopsis>
-   <command>home-manager</command>
+   <command>home-manager</command> <group choice="req"> 
-    <group choice='req'>
+   <arg choice="plain">
-     <arg choice='plain'><option>help</option></arg>
+    <option>help</option>
-     <arg choice='plain'><option>build</option></arg>
+   </arg>
-     <arg choice='plain'><option>switch</option></arg>
+    
-     <arg choice='plain'><option>generations</option></arg>
+   <arg choice="plain">
-     <arg choice='plain'><option>remove-generations</option></arg>
+    <option>build</option>
-     <arg choice='plain'><option>packages</option></arg>
+   </arg>
-     <arg choice='plain'><option>news</option></arg>
+    
+   <arg choice="plain">
+    <option>switch</option>
+   </arg>
+    
+   <arg choice="plain">
+    <option>generations</option>
+   </arg>
+    
+   <arg choice="plain">
+    <option>remove-generations</option>
+   </arg>
+    
+   <arg choice="plain">
+    <option>packages</option>
+   </arg>
+    
+   <arg choice="plain">
+    <option>news</option>
+   </arg>
     </group>
   </cmdsynopsis>
  </refsynopsisdiv>
-
  <refsection>
   <title>Description</title>
   <para>
-   This command updates the user environment so that it corresponds to the configuration
+   This command updates the user environment so that it corresponds to the
-   specified in <filename>~/.config/nixpkgs/home.nix</filename>.
+   configuration specified in <filename>~/.config/nixpkgs/home.nix</filename>.
   </para>
  </refsection>
-
  <refsection>
   <title>Files</title>
   <variablelist>
    <varlistentry>
-    <term><filename>~/.local/share/home-manager/news-read-ids</filename></term>
+    <term>
+     <filename>~/.local/share/home-manager/news-read-ids</filename>
+    </term>
     <listitem>
      <para>
-      Identifiers of news items that have been shown. Can be deleted
+      Identifiers of news items that have been shown. Can be deleted to reset
-      to reset the read news indicator.
+      the read news indicator.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </refsection>
-
  <refsection>
   <title>Bugs</title>
   <para>
-   Please report any bugs on the <link
+   Please report any bugs on the
+   <link
    xlink:href="https://github.com/rycee/home-manager/issues">project
    issue tracker</link>.
   </para>

doc/man-pages.xml

@@ -3,12 +3,10 @@
            xmlns:xi="http://www.w3.org/2001/XInclude">
  <title>Home Manager Reference Pages</title>
  <info>
-  <author>
+  <author><personname>Home Manager contributors</personname>
-   <personname>Home Manager contributors</personname>
    <contrib>Author</contrib>
   </author>
-  <copyright>
+  <copyright><year>2017-2018</year><holder>Home Manager contributors</holder>
-   <year>2017-2018</year><holder>Home Manager contributors</holder>
   </copyright>
  </info>
  <xi:include href="man-configuration.xml" />

doc/manual.xml

@@ -9,12 +9,13 @@
  <preface>
   <title>Preface</title>
   <para>
-   This manual will eventually describes how to install, use, and
+   This manual will eventually describes how to install, use, and extend Home
-   extend Home Manager.
+   Manager.
   </para>
   <para>
    If you encounter problems or bugs then please report them on the
-   <link xlink:href="https://github.com/rycee/home-manager/issues">Home Manager issue tracker</link>.
+   <link xlink:href="https://github.com/rycee/home-manager/issues">Home Manager
+   issue tracker</link>.
   </para>
   <note>
    <para>