Added comment explaining purpose of regex

git-svn-id: http://code.elgg.org/elgg/trunk@8557 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/engine/lib/output.php b/engine/lib/output.php
index aeaa7e5a8a08b1902e4fc0550c97b875f9521b2d..cba1ffae9f62fb4c21152b874aad9217ffbcb085 100644 (file)
--- a/engine/lib/output.php
+++ b/engine/lib/output.php
@@ -235,6 +235,7 @@ function elgg_clean_vars(array $vars = array()) {
  */
 function elgg_normalize_url($url) {
        // 'http://example.com', 'https://example.com', '//example.com'
+       // '#target', '?query=string'
        if (preg_match("#^(\#|\?|(https?:)?//)#i", $url)) {
                return $url;
        }