Issue #1587858 by apotek: Fixed AJAX alert dialogs respect neither...

Issue #1587858 by apotek: Fixed AJAX alert dialogs respect neither display_errors ini.php setting or $conf['error_level'] setting, exposing server info.

CHANGELOG.txt

@@ -19,6 +19,7 @@ Drupal 7.15, xxxx-xx-xx (development version)
   correctly.
 - Fixed bug: Language detection by domain only worked on port 80.
 - Fixed bug which prevented image styles from being deleted on PHP 5.4.
+- Made Ajax alert dialogs respect error reporting settings.
 
 Drupal 7.14 2012-05-02
 ----------------------

includes/errors.inc

@@ -230,8 +230,10 @@ function _drupal_log_error($error, $fatal = FALSE) {
 
   if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {
     if ($fatal) {
-      // When called from JavaScript, simply output the error message.
-      print t('%type: !message in %function (line %line of %file).', $error);
+      if (error_displayable($error)) {
+        // When called from JavaScript, simply output the error message.
+        print t('%type: !message in %function (line %line of %file).', $error);
+      }
       exit;
     }
   }