Special characters on dictionary

bl-kernel/dblanguage.class.php

@@ -6,12 +6,15 @@ class dbLanguage extends dbJSON
 	public $db;
 	public $currentLanguage;
 	public $dates;
+	public $specialChars;
 
 	function __construct($currentLanguage)
 	{
 		$this->data = array();
 		$this->db = array();
 		$this->currentLanguage = $currentLanguage;
+		$this->dates = array();
+		$this->specialChars = array();
 
 		// Load default language
 		$filename = PATH_LANGUAGES.DEFAULT_LANGUAGE_FILE;
@@ -33,8 +36,16 @@ class dbLanguage extends dbJSON
 		unset($this->db['language-data']);
 
 		// Dates
-		$this->dates = $this->db['dates'];
-		unset($this->db['dates']);
+		if (isset($this->db['dates'])) {
+			$this->dates = $this->db['dates'];
+			unset($this->db['dates']);
+		}
+
+		// Special chars
+		if (isset($this->db['special-chars'])) {
+			$this->specialChars = $this->db['special-chars'];
+			unset($this->db['special-chars']);
+		}
 	}
 
 	public function locale()
@@ -125,4 +136,10 @@ class dbLanguage extends dbJSON
 	{
 		return $this->dates;
 	}
+
+	// Returns array with all the special characters from this language
+	public function getSpecialChars()
+	{
+		return $this->specialChars;
+	}
 }

bl-kernel/helpers/text.class.php

@@ -128,12 +128,16 @@ class Text {
 	// This function can return an empty string
 	public static function cleanUrl($string, $separator='-')
 	{
+		global $Language;
+
 		if (EXTREME_FRIENDLY_URL) {
 			$string = preg_replace("/[\/_|+ -]+/", $separator, $string);
 			return $string;
 		}
 
 		// Transliterate characters to ASCII
+		$specialCharsFromDictionary = $Language->getSpecialChars();
+		$string = str_replace(array_keys($specialCharsFromDictionary), $specialCharsFromDictionary, $string);
 		$string = str_replace(array_keys(self::$specialChars), self::$specialChars, $string);
 
 		if (function_exists('iconv')) {

bl-languages/de_DE.json

@@ -11,6 +11,12 @@
             "3": ""
         }
     },
+    "special-chars": {
+	"ä": "ae",
+	"ö": "oe",
+	"ü": "ue",
+	"ß": "ss"
+    },
     "dates": {
         "Mon": "Mo",
         "Tue": "Di",