diff -ur yui_editor/plugins/coder.js yui_editor/plugins/coder.js
--- yui_editor/plugins/coder.js	2008-11-21 17:54:27.000000000 -0500
+++ yui_editor/plugins/coder.js	2009-06-24 09:17:04.000000000 -0400
@@ -14,6 +14,15 @@
         };
         this.toolbar.addButtonToGroup(codeConfig, 'plugins');
 
+        // The handleSubmit config option handles if the editor will attach itself to the textareas parent form's submit handler.
+        // If it is set to true, the editor will attempt to attach a submit listener to the textareas parent form.
+        // Then it will trigger the editors save handler and place the new content back into the text area before the form is submitted.
+        // The editor's save handler removes php and javascript code and makes other modifications to the content of the editable textarea.
+        // Since at this point the 'editcode' button has been added to the toolbar we have to assume that the user may not want the editor's save
+        // handler to be used since it may modify the user's content.
+        // By setting the 'handleSubmit' to false the editor's submit handler gets removed and the textarea's content gets submitted untouched.
+        this.set('handleSubmit', false); //Remove the submit handler
+
         this.toolbar.on('editcodeClick', function(ev) {
           var ta = this.get('element'),
             iframe = this.get('iframe').get('element');
@@ -33,7 +42,12 @@
           }
           else {
             coderState = 'on';
-            this.cleanHTML();
+
+            // The cleanHTML function call removes php and javascript code and makes other modifications to the content of the editable textarea.
+            // Commenting the cleanHTML function call prevents the editable textarea content from getting "cleaned up".
+            // That way when the "Edit HTML Code" button is clicked the untouched content of the textarea that lies beneath the yui_editor will be presented.
+            // this.cleanHTML();
+
             Dom.addClass(iframe, 'editor-hidden');
             Dom.removeClass(ta, 'editor-hidden');
             this.toolbar.set('disabled', true);