Remove trailing whitespace.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

library/HTMLPurifier/Token/Text.php

@@ -2,7 +2,7 @@
 
 /**
  * Concrete text token class.
- * 
+ *
  * Text tokens comprise of regular parsed character data (PCDATA) and raw
  * character data (from the CDATA sections). Internally, their
  * data is parsed with all entities expanded. Surprisingly, the text token
@@ -11,14 +11,14 @@
  */
 class HTMLPurifier_Token_Text extends HTMLPurifier_Token
 {
-    
+
     public $name = '#PCDATA'; /**< PCDATA tag name compatible with DTD. */
     public $data; /**< Parsed character data of text. */
     public $is_whitespace; /**< Bool indicating if node is whitespace. */
-    
+
     /**
      * Constructor, accepts data and determines if it is whitespace.
-     * 
+     *
      * @param $data String parsed character data.
      */
     public function __construct($data, $line = null, $col = null) {
@@ -27,5 +27,5 @@ class HTMLPurifier_Token_Text extends HTMLPurifier_Token
         $this->line = $line;
         $this->col  = $col;
     }
-    
+
 }