     historyNavigation:
       ["goBack", "goForward"]
     tabManipulation:
-      ["nextTab", "previousTab", "firstTab", "lastTab", "createTab", "removeTab", "restoreTab"]
+      ["nextTab", "previousTab", "firstTab", "lastTab", "createTab", "duplicateTab", "removeTab", "restoreTab"]
     misc:
       ["showHelp"]
 

  firstTab: ["Go to the first tab", { background: true }]
  lastTab: ["Go to the last tab", { background: true }]
  createTab: ["Create new tab", { background: true }]
  removeTab: ["Close current tab", { background: true }]
  restoreTab: ["Restore closed tab", { background: true }]


  "g$": "lastTab"

  "t": "createTab"
  "yt": "duplicateTab"
  "x": "removeTab"
  "X": "restoreTab"

