Add RSD support. See http://archipelago.phrasewise.com/rsd

git-svn-id: https://develop.svn.wordpress.org/trunk@3009 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/default-filters.php

@@ -83,5 +83,6 @@ add_filter('the_author', 'ent2ncr', 8);
 
 // Actions
 add_action('publish_post', 'generic_ping');
+add_action('wp_head', 'rsd_link');
 
 ?>

wp-includes/template-functions-general.php

@@ -653,4 +653,8 @@ function the_weekday_date($before='',$after='') {
 	echo $the_weekday_date;
 }
 
+function rsd_link() {
+	echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . get_bloginfo('url') . "/xmlrpc.php?rsd\" />\n";
+}
+
 ?>