diff --git a/Classes/PHPExcel/Helper/HTML.php b/Classes/PHPExcel/Helper/HTML.php
index 5b6ecfe..661e26c 100644
--- a/Classes/PHPExcel/Helper/HTML.php
+++ b/Classes/PHPExcel/Helper/HTML.php
@@ -3,7 +3,7 @@
 class PHPExcel_Helper_HTML
 {
     protected static $colourMap = array(
-        'aliceblue' => 'f0f8ff', 
+        'aliceblue' => 'f0f8ff',
         'antiquewhite' => 'faebd7',
         'antiquewhite1' => 'ffefdb',
         'antiquewhite2' => 'eedfcc',
@@ -526,12 +526,12 @@ class PHPExcel_Helper_HTML
     protected $size;
     protected $color;
 
-	protected $bold = false;
-	protected $italic = false;
-	protected $underline = false;
-	protected $superscript = false;
-	protected $subscript = false;
-	protected $strikethrough = false;
+    protected $bold = false;
+    protected $italic = false;
+    protected $underline = false;
+    protected $superscript = false;
+    protected $subscript = false;
+    protected $strikethrough = false;
 
     protected $startTagCallbacks = array(
         'font' => 'startFontTag',
@@ -573,7 +573,8 @@ class PHPExcel_Helper_HTML
 
     protected $richTextObject;
 
-    protected function initialise() {
+    protected function initialise()
+    {
         $this->face = $this->size = $this->color = null;
         $this->bold = $this->italic = $this->underline = $this->superscript = $this->subscript = $this->strikethrough = false;
 
@@ -582,16 +583,17 @@ class PHPExcel_Helper_HTML
         $this->stringData = '';
     }
 
-    public function toRichTextObject($html) {
+    public function toRichTextObject($html)
+    {
         $this->initialise();
 
-        //	Create a new DOM object
+        //  Create a new DOM object
         $dom = new domDocument;
-        //	Load the HTML file into the DOM object
+        //  Load the HTML file into the DOM object
         //  Note the use of error suppression, because typically this will be an html fragment, so not fully valid markup
         $loaded = @$dom->loadHTML($html);
 
-        //	Discard excess white space
+        //  Discard excess white space
         $dom->preserveWhiteSpace = false;
 
         $this->richTextObject = new PHPExcel_RichText();;
@@ -603,8 +605,9 @@ class PHPExcel_Helper_HTML
         return $this->richTextObject;
     }
 
-    protected function cleanWhitespace() {
-        foreach($this->richTextObject->getRichTextElements() as $key => $element) {
+    protected function cleanWhitespace()
+    {
+        foreach ($this->richTextObject->getRichTextElements() as $key => $element) {
             $text = $element->getText();
             // Trim any leading spaces on the first run
             if ($key == 0) {
@@ -615,11 +618,13 @@ class PHPExcel_Helper_HTML
             $element->setText($text);
         }
     }
-    
-    protected function buildTextRun() {
+
+    protected function buildTextRun()
+    {
         $text = $this->stringData;
-        if (trim($text) === '')
+        if (trim($text) === '') {
             return;
+        }
 
         $richtextRun = $this->richTextObject->createTextRun($this->stringData);
         if ($this->face) {
@@ -629,7 +634,7 @@ class PHPExcel_Helper_HTML
             $richtextRun->getFont()->setSize($this->size);
         }
         if ($this->color) {
-            $richtextRun->getFont()->setColor( new PHPExcel_Style_Color( 'ff' . $this->color ) );
+            $richtextRun->getFont()->setColor(new PHPExcel_Style_Color('ff' . $this->color));
         }
         if ($this->bold) {
             $richtextRun->getFont()->setBold(true);
@@ -652,19 +657,22 @@ class PHPExcel_Helper_HTML
         $this->stringData = '';
     }
 
-    protected function rgbToColour($rgb) {
+    protected function rgbToColour($rgb)
+    {
         preg_match_all('/\d+/', $rgb, $values);
-        foreach($values[0] as &$value) {
+        foreach ($values[0] as &$value) {
             $value = str_pad(dechex($value), 2, '0', STR_PAD_LEFT);
         }
         return implode($values[0]);
     }
 
-    protected function colourNameLookup($rgb) {
+    protected function colourNameLookup($rgb)
+    {
         return self::$colourMap[$rgb];
     }
 
-    protected function startFontTag($tag) {
+    protected function startFontTag($tag)
+    {
         foreach ($tag->attributes as $attribute) {
             $attributeName = strtolower($attribute->name);
             $attributeValue = $attribute->value;
@@ -672,7 +680,7 @@ class PHPExcel_Helper_HTML
             if ($attributeName == 'color') {
                 if (preg_match('/rgb\s*\(/', $attributeValue)) {
                     $this->$attributeName = $this->rgbToColour($attributeValue);
-                } elseif(strpos(trim($attributeValue), '#') === 0) {
+                } elseif (strpos(trim($attributeValue), '#') === 0) {
                     $this->$attributeName = ltrim($attributeValue, '#');
                 } else {
                     $this->$attributeName = $this->colourNameLookup($attributeValue);
@@ -683,69 +691,89 @@ class PHPExcel_Helper_HTML
         }
     }
 
-    protected function endFontTag() {
+    protected function endFontTag()
+    {
         $this->face = $this->size = $this->color = null;
     }
 
-    protected function startBoldTag() {
+    protected function startBoldTag()
+    {
         $this->bold = true;
     }
 
-    protected function endBoldTag() {
+    protected function endBoldTag()
+    {
         $this->bold = false;
     }
 
-    protected function startItalicTag() {
+    protected function startItalicTag()
+    {
         $this->italic = true;
     }
 
-    protected function endItalicTag() {
+    protected function endItalicTag()
+    {
         $this->italic = false;
     }
 
-    protected function startUnderlineTag() {
+    protected function startUnderlineTag()
+    {
         $this->underline = true;
     }
 
-    protected function endUnderlineTag() {
+    protected function endUnderlineTag()
+    {
         $this->underline = false;
     }
 
-    protected function startSubscriptTag() {
+    protected function startSubscriptTag()
+    {
         $this->subscript = true;
     }
 
-    protected function endSubscriptTag() {
+    protected function endSubscriptTag()
+    {
         $this->subscript = false;
     }
 
-    protected function startSuperscriptTag() {
+    protected function startSuperscriptTag()
+    {
         $this->superscript = true;
     }
 
-    protected function endSuperscriptTag() {
+    protected function endSuperscriptTag()
+    {
         $this->superscript = false;
     }
 
-    protected function startStrikethruTag() {
+    protected function startStrikethruTag()
+    {
         $this->strikethrough = true;
     }
 
-    protected function endStrikethruTag() {
+    protected function endStrikethruTag()
+    {
         $this->strikethrough = false;
     }
 
-    protected function breakTag() {
+    protected function breakTag()
+    {
         $this->stringData .= "\n";
     }
 
-    protected function parseTextNode(DOMText $textNode) {
-        $domText = preg_replace('/\s+/u', ' ', str_replace(["\r", "\n"], ' ', $textNode->nodeValue));
+    protected function parseTextNode(DOMText $textNode)
+    {
+        $domText = preg_replace(
+            '/\s+/u',
+            ' ',
+            str_replace(["\r", "\n"], ' ', $textNode->nodeValue)
+        );
         $this->stringData .= $domText;
         $this->buildTextRun();
     }
 
-    protected function handleCallback($element, $callbackTag, $callbacks) {
+    protected function handleCallback($element, $callbackTag, $callbacks)
+    {
         if (isset($callbacks[$callbackTag])) {
             $elementHandler = $callbacks[$callbackTag];
             if (method_exists($this, $elementHandler)) {
@@ -754,20 +782,21 @@ class PHPExcel_Helper_HTML
         }
     }
 
-    protected function parseElementNode(DOMElement $element) {
+    protected function parseElementNode(DOMElement $element)
+    {
         $callbackTag = strtolower($element->nodeName);
         $this->stack[] = $callbackTag;
 
         $this->handleCallback($element, $callbackTag, $this->startTagCallbacks);
 
         $this->parseElements($element);
-//        $this->stringData .= ' ';
         array_pop($this->stack);
 
         $this->handleCallback($element, $callbackTag, $this->endTagCallbacks);
     }
 
-    protected function parseElements(DOMNode $element) {
+    protected function parseElements(DOMNode $element)
+    {
         foreach ($element->childNodes as $child) {
             if ($child instanceof DOMText) {
                 $this->parseTextNode($child);