Bug #1270

- The 'undo' command is now properly removing backlog entries.

src/it-IT.h

@@ -834,6 +834,7 @@
 #define STRING_TDB2_UNDO_COMPLETE    "Undo completato."
 #define STRING_TDB2_MISSING_TASK     "Task con UUID {1} non trovato nei dati."
 #define STRING_TDB2_UNDO_IMPOSSIBLE  "Nessun undo possibile."
+#define STRING_TDB2_UNDO_SYNCED      "Cannot undo change because the task was already synced.  Modify the task instead."
 
 // text
                                      // A comma-separated list of commands is appended.