Proper fix for qTranslate plugin for Wordpress 3.9

qtranslate_core.php.diff

diff --git i/public/wp-content/plugins/qtranslate/qtranslate_core.php w/public/wp-content/plugins/qtranslate/qtranslate_core.php
index 17b4669..b4c49cf 100644
--- i/public/wp-content/plugins/qtranslate/qtranslate_core.php
+++ w/public/wp-content/plugins/qtranslate/qtranslate_core.php
@@ -455,9 +455,9 @@ function qtrans_strftime($format, $date, $default = '', $before = '', $after = '
        return $before.strftime($format, $date).$after;
 }
 
-function qtrans_dateFromPostForCurrentLanguage($old_date, $format ='', $before = '', $after = '') {
+function qtrans_dateFromPostForCurrentLanguage($old_date, $format ='') {
        global $post;
-       return qtrans_strftime(qtrans_convertDateFormat($format), mysql2date('U',$post->post_date), $old_date, $before, $after);
+       return qtrans_strftime(qtrans_convertDateFormat($format), mysql2date('U',$post->post_date), $old_date);
 }
 
 function qtrans_dateModifiedFromPostForCurrentLanguage($old_date, $format ='') {

Hey thanks for this files !!

It's work fine on WP3.9, but we have a new problem with the new update of wordpress WP4.3
It's an update with the new Visual Editor and qTranslate freeze the tabs for switch with another language
and Visual Editor not working. Someone find solution for fix that ?

Thanks for help !