diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 3446671fea..a27101886d 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -26,7 +26,7 @@ function wptexturize($text) {
 	for ( $i = 0; $i < $stop; $i++ ) {
  		$curl = $textarr[$i];
 
-		if (isset($curl{0}) && '<' != $curl{0} && '[' != $curl{0} && $next) { // If it's not a tag or shortcode
+		if (isset($curl{0}) && '<' != $curl{0} && '[' != $curl{0} && $next) { // If it's not a tag
 			// static strings
 			$curl = str_replace($static_characters, $static_replacements, $curl);
 			// regular expressions
@@ -74,7 +74,6 @@ function wpautop($pee, $br = 1) {
 	$pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
 	$pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end
 	$pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
-	$pee = preg_replace('/<p>(\s*?' . get_shortcode_regex(true) . '\s*)<\/p>/s', '$1', $pee); // don't auto-p wrap post-formatting shortcodes
 	$pee = preg_replace('!<p>([^<]+)\s*?(</(?:div|address|form)[^>]*>)!', "<p>$1</p>$2", $pee);
 	$pee = preg_replace( '|<p>|', "$1<p>", $pee );
 	$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
@@ -841,7 +840,6 @@ function wp_trim_excerpt($text) { // Fakes an excerpt if needed
 		$text = get_the_content('');
 		$text = apply_filters('the_content', $text);
 		$text = str_replace(']]>', ']]&gt;', $text);
-		$text = preg_replace('|//\s*<!\[CDATA\[|', '<![CDATA[', $text);
 		$text = strip_tags($text);
 		$excerpt_length = 55;
 		$words = explode(' ', $text, $excerpt_length + 1);
diff --git a/wp-includes/media.php b/wp-includes/media.php
index e62be36666..f43a2f0ec7 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -287,7 +287,7 @@ function image_get_intermediate_size($post_id, $size='thumbnail') {
 
 	if ( is_array($size) || empty($size) || empty($imagedata['sizes'][$size]) )
 		return false;
-
+		
 	$data = $imagedata['sizes'][$size];
 	// include the full filesystem path of the intermediate file
 	if ( empty($data['path']) && !empty($data['file']) ) {
@@ -301,7 +301,7 @@ function image_get_intermediate_size($post_id, $size='thumbnail') {
 // get an image to represent an attachment - a mime icon for files, thumbnail or intermediate size for images
 // returns an array (url, width, height), or false if no image is available
 function wp_get_attachment_image_src($attachment_id, $size='thumbnail', $icon = false) {
-
+	
 	// get a thumbnail or intermediate image if there is one
 	if ( $image = image_downsize($attachment_id, $size) )
 		return $image;
@@ -328,11 +328,11 @@ function wp_get_attachment_image($attachment_id, $size='thumbnail', $icon = fals
 			$size = join('x', $size);
 		$html = '<img src="'.attribute_escape($src).'" '.$hwstring.'class="attachment-'.attribute_escape($size).'" alt="" />';
 	}
-
+	
 	return $html;
 }
 
-add_shortcode('gallery', 'gallery_shortcode', true);
+add_shortcode('gallery', 'gallery_shortcode');
 
 function gallery_shortcode($attr) {
 	global $post;
@@ -377,7 +377,7 @@ function gallery_shortcode($attr) {
 	$captiontag = tag_escape($captiontag);
 	$columns = intval($columns);
 	$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
-
+	
 	$output = apply_filters('gallery_style', "
 		<style type='text/css'>
 			.gallery {
diff --git a/wp-includes/shortcodes.php b/wp-includes/shortcodes.php
index 791710b18c..7803b3c527 100644
--- a/wp-includes/shortcodes.php
+++ b/wp-includes/shortcodes.php
@@ -47,18 +47,17 @@ add_shortcode('baztag', 'baztag_func');
 
 $shortcode_tags = array();
 
-function add_shortcode($tag, $func, $after_formatting = false) {
+function add_shortcode($tag, $func) {
 	global $shortcode_tags;
 
-	if ( is_callable($func) ) {
-		$shortcode_tags[($after_formatting)? 11:9][$tag] = $func;
-	}
+	if ( is_callable($func) )
+		$shortcode_tags[$tag] = $func;
 }
 
 function remove_shortcode($tag) {
 	global $shortcode_tags;
 
-	unset($shortcode_tags[9][$tag], $shortcode_tags[11][$tag]);
+	unset($shortcode_tags[$tag]);
 }
 
 function remove_all_shortcodes() {
@@ -67,37 +66,21 @@ function remove_all_shortcodes() {
 	$shortcode_tags = array();
 }
 
-function do_shortcode_after_formatting($content) {
-    return do_shortcode($content, true);
-}
-function do_shortcode($content, $after_formatting = false) {
-    $pattern = get_shortcode_regex($after_formatting);
-    if (!$pattern) {
-    	return $content;
-    } else {
-    	$callback_func = 'do_shortcode_tag';
-    	if ($after_formatting)
-    	   $callback_func .= '_after_formatting';
-
-    	return preg_replace_callback('/' . $pattern . '/s', $callback_func, $content);
-    }
-}
-function get_shortcode_regex($after_formatting) {
+function do_shortcode($content) {
 	global $shortcode_tags;
 
-	if (empty($shortcode_tags[($after_formatting)? 11:9]) || !is_array($shortcode_tags[($after_formatting)? 11:9]))
-		return false;
+	if (empty($shortcode_tags) || !is_array($shortcode_tags))
+		return $content;
 
-	$tagnames = array_keys($shortcode_tags[($after_formatting)? 11:9]);
+	$tagnames = array_keys($shortcode_tags);
 	$tagregexp = join( '|', array_map('preg_quote', $tagnames) );
 
-	return '\[('.$tagregexp.')\b(.*?)(?:(\/))?\](?:(.+?)\[\/\1\])?';
+	$pattern = '/\[('.$tagregexp.')\b(.*?)(?:(\/))?\](?:(.+?)\[\/\1\])?/s';
+
+	return preg_replace_callback($pattern, 'do_shortcode_tag', $content);
 }
 
-function do_shortcode_tag_after_formatting($m) {
-    return do_shortcode_tag($m, true);
-}
-function do_shortcode_tag($m, $after_formatting = false) {
+function do_shortcode_tag($m) {
 	global $shortcode_tags;
 
 	$tag = $m[1];
@@ -105,10 +88,10 @@ function do_shortcode_tag($m, $after_formatting = false) {
 
 	if ( isset($m[4]) ) {
 		// enclosing tag - extra parameter
-		return call_user_func($shortcode_tags[($after_formatting)? 11:9][$tag], $attr, $m[4]);
+		return call_user_func($shortcode_tags[$tag], $attr, $m[4]);
 	} else {
 		// self-closing tag
-		return call_user_func($shortcode_tags[($after_formatting)? 11:9][$tag], $attr);
+		return call_user_func($shortcode_tags[$tag], $attr);
 	}
 }
 
@@ -147,7 +130,6 @@ function shortcode_atts($pairs, $atts) {
 	return $out;
 }
 
-add_filter( 'the_content', 'do_shortcode', 9 );
-add_filter( 'the_content', 'do_shortcode_after_formatting', 11 );
+add_filter('the_content', 'do_shortcode', 11); // AFTER wpautop() 
 
 ?>