make 'transliterate' do only that rather than transliterate && urlize, make the urlization happen after transliteration all the time to allow using other transliterator that are not urlizers

lib/Gedmo/Sluggable/SluggableListener.php

@@ -250,6 +250,7 @@ class SluggableListener extends MappedEventSubscriber
                     $this->transliterator,
                     array($slug, $options['separator'], $object)
                 );
+                $slug = Util\Urlizer::urlize($slug, $options['separator']);
                 // stylize the slug
                 switch ($options['style']) {
                     case 'camel':

lib/Gedmo/Sluggable/Util/Urlizer.php

@@ -276,7 +276,6 @@ class Urlizer
         if (preg_match('/[\x80-\xff]/', $text) && self::validUtf8($text)) {
             $text = self::utf8ToAscii($text);
         }
-        return self::postProcessText($text, $separator);
     }
 
     /**