Automattic / jetpack

		add_submenu_page( $themes_slug, esc_attr__( 'Themes', 'jetpack' ), __( 'Themes', 'jetpack' ), 'switch_themes', $themes_slug, null, 5 );

		add_submenu_page( $themes_slug, esc_attr__( 'Customize', 'jetpack' ), __( 'Customize', 'jetpack' ), 'customize', $customize_slug, null, 10 );

		if ( current_theme_supports( 'custom-header' ) && $user_can_customize ) {

			$customize_header_url = add_query_arg( array( 'autofocus' => array( 'control' => 'header_image' ) ), $customize_url );

			remove_submenu_page( 'themes.php', $customize_header_url );

			$customize_header_url = add_query_arg( array( 'autofocus' => array( 'control' => 'header_image' ) ), $customize_slug );

			add_submenu_page( $themes_slug, __( 'Header', 'jetpack' ), __( 'Header', 'jetpack' ), 'customize', esc_url( $customize_header_url ), null, 15 );

		}

		if ( current_theme_supports( 'custom-background' ) && $user_can_customize ) {

			$customize_background_url = add_query_arg( array( 'autofocus' => array( 'control' => 'background_image' ) ), $customize_url );

			add_submenu_page( $themes_slug, __( 'Header', 'jetpack' ), __( 'Header', 'jetpack' ), 'customize', esc_url( $customize_header_url ), null, 15 );

		}

		if ( current_theme_supports( 'custom-background' ) && $user_can_customize ) {

			$customize_background_url = add_query_arg( array( 'autofocus' => array( 'control' => 'background_image' ) ), $customize_url );

			remove_submenu_page( 'themes.php', $customize_background_url );

			$customize_background_url = add_query_arg( array( 'autofocus' => array( 'control' => 'background_image' ) ), $customize_slug );

			add_submenu_page( $themes_slug, esc_attr__( 'Background', 'jetpack' ), __( 'Background', 'jetpack' ), 'customize', esc_url( $customize_background_url ), null, 20 );

		}

		if ( current_theme_supports( 'widgets' ) ) {

			remove_submenu_page( 'themes.php', 'widgets.php' );