sanitize_url()
Function: Sanitizes a URL for database or redirect usage.
Source: wp-includes/formatting.php:4559
wlwmanifest_link()
Function: Displays the link to the Windows Live Writer manifest file.
Source: wp-includes/deprecated.php:4457
wp_prototype_before_jquery()
Function: Reorders JavaScript scripts array to place prototype before jQuery.
Source: wp-includes/script-loader.php:1543