nixpkgs docs: format

doc/cross-compilation.xml

@@ -47,9 +47,10 @@
 
    <para>
     In Nixpkgs, these three platforms are defined as attribute sets under the
-    names <literal>buildPlatform</literal>, <literal>hostPlatform</literal>, and
-    <literal>targetPlatform</literal>. They are always defined as attributes in
-    the standard environment. That means one can access them like:
+    names <literal>buildPlatform</literal>, <literal>hostPlatform</literal>,
+    and <literal>targetPlatform</literal>. They are always defined as
+    attributes in the standard environment. That means one can access them
+    like:
 <programlisting>{ stdenv, fooDep, barDep, .. }: ...stdenv.buildPlatform...</programlisting>
     .
    </para>

doc/functions.xml

@@ -7,7 +7,6 @@
   The nixpkgs repository has several utility functions to manipulate Nix
   expressions.
  </para>
-
  <xi:include href="functions/overrides.xml" />
  <xi:include href="functions/generators.xml" />
  <xi:include href="functions/debug.xml" />

doc/functions/debug.xml

@@ -2,20 +2,20 @@
          xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:xi="http://www.w3.org/2001/XInclude"
          xml:id="sec-debug">
-  <title>Debugging Nix Expressions</title>
+ <title>Debugging Nix Expressions</title>
 
-  <para>
-   Nix is a unityped, dynamic language, this means every value can potentially
-   appear anywhere. Since it is also non-strict, evaluation order and what
-   ultimately is evaluated might surprise you. Therefore it is important to be
-   able to debug nix expressions.
-  </para>
+ <para>
+  Nix is a unityped, dynamic language, this means every value can potentially
+  appear anywhere. Since it is also non-strict, evaluation order and what
+  ultimately is evaluated might surprise you. Therefore it is important to be
+  able to debug nix expressions.
+ </para>
 
-  <para>
-   In the <literal>lib/debug.nix</literal> file you will find a number of
-   functions that help (pretty-)printing values while evaluation is runnnig.
-   You can even specify how deep these values should be printed recursively,
-   and transform them on the fly. Please consult the docstrings in
-   <literal>lib/debug.nix</literal> for usage information.
-  </para>
- </section>
+ <para>
+  In the <literal>lib/debug.nix</literal> file you will find a number of
+  functions that help (pretty-)printing values while evaluation is runnnig. You
+  can even specify how deep these values should be printed recursively, and
+  transform them on the fly. Please consult the docstrings in
+  <literal>lib/debug.nix</literal> for usage information.
+ </para>
+</section>