Strip superfluous new lines at the end of a post.

inc/config.php

@@ -128,6 +128,9 @@
 	// Reply limit (deletes thread when this is reached)
 	$config['reply_limit']	= 250;
 	
+	// Strip superfluous new lines at the end of a post
+	$config['strip_superfluous_returns'] = true;
+	
 	// For resizing, max values
 	$config['thumb_width']	= 255;
 	$config['thumb_height']	= 255;

inc/functions.php

@@ -905,6 +905,9 @@
 			$body = preg_replace("/''(.+?)''/m", "<em>$1</em>", $body);
 			$body = preg_replace("/\*\*(.+?)\*\*/m", "<span class=\"spoiler\">$1</span>", $body);
 		}
+		if($config['strip_superfluous_returns'])
+			$body = preg_replace('/\s+$/', '', $body);
+		
 		$body = preg_replace("/\n/", '<br/>', $body);
 	}