adding overlay for edit menus

toolkit/locale/editMenuOverlay.dtd

@@ -0,0 +1,32 @@
+<!ENTITY editMenu.label            "Edit">
+<!ENTITY editMenu.accesskey        "e">
+<!ENTITY undoCmd.label             "Undo">
+<!ENTITY undoCmd.key               "Z">
+<!ENTITY undoCmd.accesskey         "u">
+<!ENTITY redoCmd.label             "Redo">
+<!ENTITY redoCmd.key               "Y">
+<!ENTITY redoCmd.accesskey         "r">
+<!ENTITY cutCmd.label              "Cut">
+<!ENTITY cutCmd.key                "X">
+<!ENTITY cutCmd.accesskey          "t">
+<!ENTITY copyCmd.label             "Copy">
+<!ENTITY copyCmd.key               "C">
+<!ENTITY copyCmd.accesskey         "c">
+<!ENTITY pasteCmd.label            "Paste">
+<!ENTITY pasteCmd.key              "V">
+<!ENTITY pasteCmd.accesskey        "p">
+<!ENTITY deleteCmd.label           "Delete">
+<!ENTITY deleteCmd.key             "D">
+<!ENTITY deleteCmd.accesskey       "d">
+<!ENTITY selectAllCmd.label        "Select All">
+<!ENTITY selectAllCmd.key          "A">
+<!ENTITY selectAllCmd.accesskey    "a">
+<!ENTITY findCmd.label             "Find">
+<!ENTITY findCmd.key               "F">
+<!ENTITY findCmd.accesskey         "F">
+<!ENTITY findAgainCmd.label        "Find Again">
+<!ENTITY findAgainCmd.key          "G">
+<!ENTITY findAgainCmd.accesskey    "g">
+<!ENTITY findPreviousCmd.label     "Find Previous">
+<!ENTITY findPreviousCmd.key       "G">
+<!ENTITY findPreviousCmd.accesskey "v">