Index: /Users/simon/Projects/WordPress/site/wp-admin/admin.php
===================================================================
--- /Users/simon/Projects/WordPress/site/wp-admin/admin.php	(revision 15277)
+++ /Users/simon/Projects/WordPress/site/wp-admin/admin.php	(working copy)
@@ -199,7 +199,17 @@
 
 	exit();
 } else {
-	do_action("load-$pagenow");
+	do_action("load-$pagenow", $typenow, $taxnow);
+	// Backwards compatability with old load-page-new.php, load-page.php,  
+ 	// and load-edit-categories.php actions. 
+ 	if ( $typenow == 'page' ) { 
+ 		if ( $pagenow == 'post-new.php' ) 
+ 	    	do_action( 'load-page-new.php' ); 
+		elseif ( $pagenow == 'post.php' ) 
+			do_action( 'load-page.php' ); 
+	} 
+	if ( $taxnow == 'category' && $pagenow == 'edit-tags.php' ) 
+		do_action( 'load-categories.php' );
 }
 
 if ( !empty($_REQUEST['action']) )