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--- a/src/qtgui/rclmain_w.h
+++ b/src/qtgui/rclmain_w.h
@@ -92,6 +92,9 @@
     {
 	return m_searchIsSimple;
     }
+
+    // Takes copies of the args instead of refs. Lazy and safe.
+    void newDupsW(const Rcl::Doc doc, const std::vector<Rcl::Doc> dups);
 
 public slots:
     virtual bool close();