Index: wp-includes/class.wp-scripts.php
===================================================================
--- wp-includes/class.wp-scripts.php	(revision 15490)
+++ wp-includes/class.wp-scripts.php	(working copy)
@@ -125,7 +125,7 @@
 		if ( $this->do_concat )
 			$this->print_html .= "<script type='text/javascript' src='$src'></script>\n";
 		else
-			echo "<script type='text/javascript' src='$src'></script>\n";
+			echo apply_filters( 'wp_print_scripts', "<script type='text/javascript' src='$src'></script>\n", $handle );
 
 		return true;
 	}