- More TODO items

- Update comments

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1549 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/Bootstrap.php

@@ -1,10 +1,25 @@
 <?php
 
-// constants are slow, but we'll make one exception
+// constants are slow, so we use as few as possible
 if (!defined('HTMLPURIFIER_PREFIX')) {
     define('HTMLPURIFIER_PREFIX', realpath(dirname(__FILE__) . '/..'));
 }
 
+// accomodations for versions earlier than 5.0.2
+// borrowed from PHP_Compat, LGPL licensed, by Aidan Lister <aidan@php.net>
+if (!defined('PHP_EOL')) {
+    switch (strtoupper(substr(PHP_OS, 0, 3))) {
+        case 'WIN':
+            define('PHP_EOL', "\r\n");
+            break;
+        case 'DAR':
+            define('PHP_EOL', "\r");
+            break;
+        default:
+            define('PHP_EOL', "\n");
+    }
+}
+
 /**
  * Bootstrap class that contains meta-functionality for HTML Purifier such as
  * the autoload function.