fix functionality, keep each function to do what it supposed to do

framework/yii/helpers/base/Inflector.php

@@ -470,6 +470,7 @@ class Inflector
 	public static function slug($string, $replacement = '-')
 	{
 		$map = array(
+			'/[^\w\s]/' => ' ',
 			'/\\s+/' => $replacement,
 			'/(?<=[a-z])([A-Z])/' => $replacement . '\\1',
 			str_replace(':rep', preg_quote($replacement, '/'), '/^[:rep]+|[:rep]+$/') => ''
@@ -512,7 +513,7 @@ class Inflector
 	 */
 	public static function ascii($string)
 	{
-		$map = static::$transliteration + array('/[^\w\s]/' => ' ');
+		$map = static::$transliteration;
 		return preg_replace(array_keys($map), array_values($map), $string);
 	}
 }

tests/unit/framework/helpers/InflectorTest.php

@@ -143,8 +143,6 @@ class InflectorTest extends TestCase
 			Inflector::ascii("Perché l'erba è verde?", "'"));
 		$this->assertEquals("Peux-tu m aider s il te plait",
 			Inflector::ascii("Peux-tu m'aider s'il te plaît?", "'"));
-		$this->assertEquals("Tank-efter-nu-forrn-vi-foser-dig-bort",
-			Inflector::slug(Inflector::ascii("Tänk efter nu – förr'n vi föser dig bort")));
 		$this->assertEquals("Custom delimiter example",
 			Inflector::ascii("Custom`delimiter*example", array('*', '`')));
 	}