Added standard WP functions wptexturize, convert_smilies, convert_chars, wpautop, shortcode_unautop, prepend_attachment, do_shortcode to the wp_editor_widget_content filter (thanks danieliser on WordPress.org http://profiles.wordpress.org/danieliser/)

git-svn-id: https://plugins.svn.wordpress.org/wp-editor-widget/trunk@798458 b8457f37-d9ea-0310-8a92-e5e31aec5664