diff --git a/gnoemoe/widgets/gm-world-view.h b/gnoemoe/widgets/gm-world-view.h
index ed4ea9d..4cc68bf 100644
--- a/gnoemoe/widgets/gm-world-view.h
+++ b/gnoemoe/widgets/gm-world-view.h
@@ -63,6 +63,12 @@ gboolean gm_world_view_find_next(GmWorldView *view, const gchar *str,
 gboolean gm_world_view_can_find(GmWorldView *view);
 gboolean gm_world_view_page_can_find(GmWorldView *view, gint page_num);
 
+gboolean gm_world_view_replace(GmWorldView *view, gchar const *replace);
+gboolean gm_world_view_replace_all(GmWorldView *view, gchar const *str, 
+		gchar const *replace, GmSearchableSearchFlags flags);
+gboolean gm_world_view_can_replace(GmWorldView *view);
+gboolean gm_world_view_page_can_replace(GmWorldView *view, gint page_num);
+
 void gm_world_view_scroll_end_prepare(GmWorldView *view);
 void gm_world_view_scroll_end(GmWorldView *view);
 GmWorld *gm_world_view_world(GmWorldView *view);