+ if ($User and $User->admin and preg_match('/\A<[a-z][^>]*>/', $input)) {
+ return $input; # allow html input as is if privileged
+ }
+ $html = preg_replace(
+ ["/\r?\n/", "'(?:<br />\n?){2}'"],
+ ["<br />\n", "</p>\n\n<p>"],
+ htmlspecialchars($input)
+ );