more strings

editor/ui/dialogs/locale/en-US/EditorTableProperties.dtd

@@ -1,3 +1,6 @@
 <!ENTITY tableWindow.title "Table Properties">
 <!ENTITY tableTab.label "Table">
 <!ENTITY cellTab.label "Cells">
+<!ENTITY OKButton.label "OK">
+<!ENTITY CancelButton.label "Cancel">
+<!ENTITY AdvancedEditButton.label "Advanced Edit...">