global $access_level_names;
- $prefs_blacklist = array("STRIP_UNSAFE_TAGS", "REVERSE_HEADLINES",
+ $prefs_blacklist = array("ALLOW_DUPLICATE_POSTS", "STRIP_UNSAFE_TAGS", "REVERSE_HEADLINES",
"SORT_HEADLINES_BY_FEED_DATE", "DEFAULT_ARTICLE_LIMIT",
"FEEDS_SORT_BY_UNREAD");