diff --git a/reference/datetime/datetime/add.xml b/reference/datetime/datetime/add.xml
index 742baba726..61c69dfe66 100644
--- a/reference/datetime/datetime/add.xml
+++ b/reference/datetime/datetime/add.xml
@@ -61,7 +61,6 @@
     <programlisting role="php">
 <![CDATA[
 <?php
-
 $date = new DateTime("18-July-2008 16:30:30");
 echo $date->format("d-m-Y H:i:s").'<br />';
 
@@ -79,7 +78,6 @@ echo '<br />'.$date->format("d-m-Y").' : 5 Days, 5 Months, 5 Years';
 
 date_add($date, new DateInterval("P5YT5H"));
 echo '<br />'.$date->format("d-m-Y H:i:s").' : 5 Years, 5 Hours';
-
 ?>
 ]]>
     </programlisting>
diff --git a/reference/datetime/datetime/createfromformat.xml b/reference/datetime/datetime/createfromformat.xml
index fe541bd5ea..4a56483781 100644
--- a/reference/datetime/datetime/createfromformat.xml
+++ b/reference/datetime/datetime/createfromformat.xml
@@ -49,7 +49,7 @@
        is <literal>!</literal>, then all portions of the date/time
        value generated which are not specified in
        <parameter>time</parameter> will be initialized to corresponding
-       values from the Unix epoch. 
+       values from the Unix epoch.
       </para>
       <para>
        The Unix epoch is 1970-01-01 00:00:00 UTC.
diff --git a/reference/datetime/datetime/diff.xml b/reference/datetime/datetime/diff.xml
index f1651dc167..e630c4e032 100644
--- a/reference/datetime/datetime/diff.xml
+++ b/reference/datetime/datetime/diff.xml
@@ -65,12 +65,10 @@
    <programlisting role="php">
 <![CDATA[
 <?php
-
 $datetime1 = new DateTime('2009-10-11');
 $datetime2 = new DateTime('2009-10-13');
 $interval = $datetime1->diff($datetime2);
 echo $interval->format('%R%d days');
-
 ?>
 ]]>
    </programlisting>
@@ -80,12 +78,10 @@ echo $interval->format('%R%d days');
    <programlisting role="php">
 <![CDATA[
 <?php
-
 $datetime1 = new DateTime('2009-10-11');
 $datetime2 = new DateTime('2009-10-13');
 $interval = date_diff($datetime1, $datetime2);
 echo $interval->format('%R%d days');
-
 ?>
 ]]>
    </programlisting>
diff --git a/reference/datetime/datetime/format.xml b/reference/datetime/datetime/format.xml
index 8a6f8583ec..409c37f458 100644
--- a/reference/datetime/datetime/format.xml
+++ b/reference/datetime/datetime/format.xml
@@ -6,7 +6,7 @@
   <refname>DateTime::format</refname>
   <refpurpose>Returns date formatted according to given format</refpurpose>
  </refnamediv>
- 
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -36,7 +36,7 @@
    </variablelist>
   </para>
  </refsect1>
- 
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
diff --git a/reference/datetime/datetime/gettimezone.xml b/reference/datetime/datetime/gettimezone.xml
index 61d7602759..e2bb83d651 100644
--- a/reference/datetime/datetime/gettimezone.xml
+++ b/reference/datetime/datetime/gettimezone.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::getTimezone</refname>
   <refpurpose>Return time zone relative to given DateTime</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
diff --git a/reference/datetime/datetime/modify.xml b/reference/datetime/datetime/modify.xml
index e1e9594f52..237110d91f 100644
--- a/reference/datetime/datetime/modify.xml
+++ b/reference/datetime/datetime/modify.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::modify</refname>
   <refpurpose>Alters the timestamp</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -18,7 +19,7 @@
    <methodparam><type>string</type><parameter>modify</parameter></methodparam>
   </methodsynopsis>
   <para>
-   Alter the timestamp of a DateTime object by incrementing or decrementing in a 
+   Alter the timestamp of a DateTime object by incrementing or decrementing in a
    format accepted by <function>strtotime</function>.
   </para>
  </refsect1>
@@ -65,7 +66,7 @@
    </informaltable>
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/datetime/datetime/setdate.xml b/reference/datetime/datetime/setdate.xml
index 889c1eb81a..9c08f1fb17 100644
--- a/reference/datetime/datetime/setdate.xml
+++ b/reference/datetime/datetime/setdate.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::setDate</refname>
   <refpurpose>Sets the date</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -84,7 +85,7 @@
    </informaltable>
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/datetime/datetime/setisodate.xml b/reference/datetime/datetime/setisodate.xml
index b2b3dfafc6..0ac63b8a68 100644
--- a/reference/datetime/datetime/setisodate.xml
+++ b/reference/datetime/datetime/setisodate.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::setISODate</refname>
   <refpurpose>Sets the ISO date</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -22,7 +23,7 @@
    <methodparam choice="opt"><type>int</type><parameter>day</parameter></methodparam>
   </methodsynopsis>
   <para>
-   Set a date according to the ISO 8601 standard - using weeks and day offsets 
+   Set a date according to the ISO 8601 standard - using weeks and day offsets
    rather than specific dates.
   </para>
  </refsect1>
@@ -85,7 +86,7 @@
    </informaltable>
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -99,7 +100,7 @@ date_default_timezone_set('Europe/London');
 $datetime = new DateTime();
 
 // Offset from start of week 2 (7) = 5
-$datetime->setISODate(2008, 2, 5); // Day 5 of week 2 of 2008 is the 11th of January. 
+$datetime->setISODate(2008, 2, 5); // Day 5 of week 2 of 2008 is the 11th of January.
 
 // Offset from start of week 2 (7) = 10
 $datetime->setISODate(2008, 2, 10); // Day 10 of week 2 of 2008 is the 16th of January.
diff --git a/reference/datetime/datetime/settime.xml b/reference/datetime/datetime/settime.xml
index 17f2202331..8b9d4d1176 100644
--- a/reference/datetime/datetime/settime.xml
+++ b/reference/datetime/datetime/settime.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::setTime</refname>
   <refpurpose>Sets the time</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -84,7 +85,7 @@
    </informaltable>
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/datetime/datetime/settimezone.xml b/reference/datetime/datetime/settimezone.xml
index 7d49a5cde7..ec3271aa50 100644
--- a/reference/datetime/datetime/settimezone.xml
+++ b/reference/datetime/datetime/settimezone.xml
@@ -6,6 +6,7 @@
   <refname>DateTime::setTimezone</refname>
   <refpurpose>Sets the time zone for the DateTime object</refpurpose>
  </refnamediv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
@@ -67,7 +68,7 @@
    </informaltable>
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>