Note theme support for custom background, header, and menus. see #11817

git-svn-id: http://svn.automattic.com/wordpress/trunk@13417 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentyten/functions.php

@@ -31,6 +31,9 @@ function twentyten_init() {
 	// This theme needs post thumbnails
 	add_theme_support( 'post-thumbnails' );
 
+	// This theme uses wp_nav_menu()
+	add_theme_support( 'nav-menus' );
+
 	// We'll be using them for custom header images on posts and pages
 	// so we want them to be 940 pixels wide by 198 pixels tall (larger images will be auto-cropped to fit)
 	set_post_thumbnail_size( HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT, true );

wp-includes/theme.php

@@ -1327,6 +1327,8 @@ function add_custom_image_header($header_callback, $admin_header_callback, $admi
 	if ( ! empty($header_callback) )
 		add_action('wp_head', $header_callback);
 
+	add_theme_support( 'custom-header' );
+
 	if ( ! is_admin() )
 		return;
 	require_once(ABSPATH . 'wp-admin/custom-header.php');
@@ -1393,6 +1395,8 @@ function add_custom_background($header_callback = '', $admin_header_callback = '
 
 	add_action('wp_head', $header_callback);
 
+	add_theme_support( 'custom-background' );
+
 	if ( ! is_admin() )
 		return;
 	require_once(ABSPATH . 'wp-admin/custom-background.php');