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--- a/GUI/mainw/mainw.h
+++ b/GUI/mainw/mainw.h
@@ -101,6 +101,9 @@
     void sig_sortprefs();
     void sig_preferences();
 
+    /* Dump device description (semi-hidden, only triggered by shortcut) */
+    void sig_dumpDescription();
+
 private slots:
     // These are connected to ui signals (either tray or main ctl),
     // and coordinate stuff.