Hi Mathias..
Some text to translate is missing, or not show in language editor.
Eg:
    <itemx iid="30" text="Add selection (Num+)" />
    <itemx iid="31" text="Subtract selection (Num-)" />
    <itemx iid="40" text="Delete selected files" />
    <itemx iid="41" text="Copy selected files" />
    <itemx iid="42" text="Move selected files" />
itemx.. 

Thanks.