1 files changed, 6 insertions, 16 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php
index 0015fa1eb..81d03762d 100644
--- a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php
+++ b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/ID.php
@@ -12,22 +12,12 @@
 class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
 {
 
-    // selector is NOT a valid thing to use for IDREFs, because IDREFs
-    // *must* target IDs that exist, whereas selector #ids do not.
-
-    /**
-     * Determines whether or not we're validating an ID in a CSS
-     * selector context.
-     */
-    protected $selector;
-
-    public function __construct($selector = false) {
-        $this->selector = $selector;
-    }
+    // ref functionality disabled, since we also have to verify
+    // whether or not the ID it refers to exists
 
     public function validate($id, $config, $context) {
 
-        if (!$this->selector && !$config->get('Attr.EnableID')) return false;
+        if (!$config->get('Attr.EnableID')) return false;
 
         $id = trim($id); // trim it first
 
@@ -43,10 +33,10 @@ class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
                 '%Attr.IDPrefix is set', E_USER_WARNING);
         }
 
-        if (!$this->selector) {
+        //if (!$this->ref) {
             $id_accumulator =& $context->get('IDAccumulator');
             if (isset($id_accumulator->ids[$id])) return false;
-        }
+        //}
 
         // we purposely avoid using regex, hopefully this is faster
 
@@ -66,7 +56,7 @@ class HTMLPurifier_AttrDef_HTML_ID extends HTMLPurifier_AttrDef
             return false;
         }
 
-        if (!$this->selector && $result) $id_accumulator->add($id);
+        if (/*!$this->ref && */$result) $id_accumulator->add($id);
 
         // if no change was made to the ID, return the result
         // else, return the new id if stripping whitespace made it