diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index b409bda7b913db82b096c4f17db6cb116c79704e..1792237e38fb6b5a07b8c36d5816ce206408d7a2 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -6,6 +6,8 @@ Wysiwyg x.x-x.x, xxxx-xx-xx
 
 Wysiwyg 5.x-x.x, xxxx-xx-xx
 ---------------------------
+#342376 by sun: Extended API to allow "preprocess" JavaScript option for some
+  editors.
 #352295 by sun: Added markItUp editor support.
 #352703 by sun: Fixed wrong default configuration options for TinyMCE 3.2.1+.
 #348317 by sun: Fixed TinyMCE's extended_valid_elements for advlink/advimage
diff --git a/editors/tinymce.inc b/editors/tinymce.inc
index 4db8d8e87ec269c53ec2134fd5ae8fe980c905fe..c18cae71aebb1be1c2ea1269cf5157cb01ada176 100644
--- a/editors/tinymce.inc
+++ b/editors/tinymce.inc
@@ -48,7 +48,9 @@ function wysiwyg_tinymce_editor() {
         'libraries' => array(
           '' => array(
             'title' => 'Minified',
-            'files' => array('tiny_mce.js'),
+            'files' => array(
+              'tiny_mce.js' => array('preprocess' => FALSE),
+            ),
           ),
           'jquery' => array(
             'title' => 'jQuery',
diff --git a/wysiwyg.module b/wysiwyg.module
index 7b378af22c66d5d59b9031a87ae47075dd7efadd..6e3fddcdad11163b1c2215018d93aeb5d81d7c33 100644
--- a/wysiwyg.module
+++ b/wysiwyg.module
@@ -218,8 +218,14 @@ function wysiwyg_load_editor($profile) {
         $files = array_shift($editor['libraries']);
         $files = $files['files'];
       }
-      foreach ($files as $file) {
-        drupal_add_js($editor['library path'] . '/' . $file);
+      foreach ($files as $file => $options) {
+        if (is_array($options)) {
+          $options += array('type' => 'module', 'scope' => 'header', 'defer' => FALSE, 'cache' => TRUE, 'preprocess' => TRUE);
+          drupal_add_js($editor['library path'] . '/' . $file, $options['type'], $options['scope'], $options['defer'], $options['cache'], $options['preprocess']);
+        }
+        else {
+          drupal_add_js($editor['library path'] . '/' . $options);
+        }
       }
       // If editor defines an additional load callback, invoke it.
       // @todo Isn't the settings callback sufficient?