Index: wp-includes/functions.wp-scripts.php
===================================================================
--- wp-includes/functions.wp-scripts.php	(revision 21651)
+++ wp-includes/functions.wp-scripts.php	(working copy)
@@ -161,16 +161,17 @@
 /**
  * Check whether script has been added to WordPress Scripts.
  *
- * The values for list defaults to 'queue', which is the same as enqueue for
+ * The values for list defaults to 'enqueued', which is the same as enqueue for
  * scripts.
  *
  * @since WP unknown; BP unknown
+ * @global object $wp_scripts The WP_Scripts object for printing scripts.
  *
  * @param string $handle Handle used to add script.
- * @param string $list Optional, defaults to 'queue'. Others values are 'registered', 'queue', 'done', 'to_do'
- * @return bool
+ * @param string $list Optional, defaults to 'queue'. Others values are 'registered', 'enqueued', 'done', 'to_do'
+ * @return bool True on success, false on failure.
  */
-function wp_script_is( $handle, $list = 'queue' ) {
+function wp_script_is( $handle, $list = 'enqueued' ) {
 	global $wp_scripts;
 	if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
 		if ( ! did_action( 'init' ) )
Index: wp-includes/functions.wp-styles.php
===================================================================
--- wp-includes/functions.wp-styles.php	(revision 21651)
+++ wp-includes/functions.wp-styles.php	(working copy)
@@ -167,16 +167,16 @@
 /**
  * Check whether style has been added to WordPress Styles.
  *
- * The values for list defaults to 'queue', which is the same as wp_enqueue_style().
+ * The values for list defaults to 'enqueued', which is the same as wp_enqueue_style().
  *
  * @since WP unknown; BP unknown
  * @global object $wp_styles The WP_Styles object for printing styles.
  *
  * @param string $handle Name of the stylesheet.
- * @param string $list Values are 'registered', 'done', 'queue' and 'to_do'.
+ * @param string $list Values are 'registered', 'done', 'enqueued' and 'to_do'.
  * @return bool True on success, false on failure.
  */
-function wp_style_is( $handle, $list = 'queue' ) {
+function wp_style_is( $handle, $list = 'enqueued' ) {
 	global $wp_styles;
 	if ( ! is_a( $wp_styles, 'WP_Styles' ) ) {
 		if ( ! did_action( 'init' ) )
Index: wp-includes/class.wp-dependencies.php
===================================================================
--- wp-includes/class.wp-dependencies.php	(revision 21651)
+++ wp-includes/class.wp-dependencies.php	(working copy)
@@ -196,25 +196,25 @@
 		}
 	}
 
-	function query( $handle, $list = 'registered' ) { // registered, queue, done, to_do
+	function query( $handle, $list = 'registered' ) { // registered, enqueued, done, to_do
 		switch ( $list ) :
-		case 'registered':
-		case 'scripts': // back compat
-			if ( isset($this->registered[$handle]) )
-				return $this->registered[$handle];
-			break;
-		case 'to_print': // back compat
-		case 'printed': // back compat
-			if ( 'to_print' == $list )
-				$list = 'to_do';
-			else
-				$list = 'printed';
-		default:
-			if ( in_array($handle, $this->$list) )
-				return true;
-			break;
+			case 'registered':
+			case 'scripts': // back compat
+				if ( isset( $this->registered[ $handle ] ) )
+					return $this->registered[ $handle ];
+				break;
+			case 'to_print': // back compat
+			case 'printed': // back compat
+				if ( 'to_print' == $list )
+					$list = 'to_do';
+				else
+					$list = 'printed';
+			case 'enqueued': // forward compat
+				$list = 'queue';
+			default:
+				return ( in_array( $handle, $this->$list ) );
+				break;
 		endswitch;
-		return false;
 	}
 
 	function set_group( $handle, $recursion, $group ) {