[1.2.0] Non-accessible resources (ex. mailto) blocked from embedded URIs (img src)

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@528 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/URIScheme.php

@@ -12,6 +12,13 @@ class HTMLPurifier_URIScheme
      */
     var $default_port = null;
     
+    /**
+     * Whether or not URIs of this schem are locatable by a browser
+     * http and ftp are accessible, while mailto and news are not.
+     * @public
+     */
+    var $browsable = false;
+    
     /**
      * Validates the components of a URI
      * @note This implementation should be called by children if they define