Strip trailing whitespace

git-svn-id: https://develop.svn.wordpress.org/trunk@10150 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/includes/post.php

@@ -1044,13 +1044,13 @@ function wp_create_post_autosave( $post_id ) {
  *
  * @package WordPress
  * @since 2.7
- * 
+ *
  * @uses wp_write_post()
  * @uses edit_post()
  * @uses get_post()
  * @uses current_user_can()
  * @uses wp_create_post_autosave()
- * 
+ *
  * @return str URL to redirect to show the preview
  */
 function post_preview() {
@@ -1058,13 +1058,13 @@ function post_preview() {
 	$post_ID = (int) $_POST['post_ID'];
 	if ( $post_ID < 1 )
 		wp_die( __('Preview not available. Please save as a draft first.') );
-	
+
 	if ( isset($_POST['catslist']) )
 		$_POST['post_category'] = explode(",", $_POST['catslist']);
-	
+
 	if ( isset($_POST['tags_input']) )
 		$_POST['tags_input'] = explode(",", $_POST['tags_input']);
-	
+
 	if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) )
 		unset($_POST['post_category']);
 
@@ -1102,7 +1102,7 @@ function post_preview() {
 
 /**
  * Adds the TinyMCE editor used on the Write and Edit screens.
- * 
+ *
  * Has option to output a trimmed down version used in Press This.
  *
  * @package WordPress