Ruediger, thanks a lot for the draft. It let us correct a couple of small details.
Now, there are a few lines that we can't translate because we don't see the strings in the .pot file. Nothing really serious, but we thought that you should know this. Those lines are:
. Note title "Permanently deleting files" [1]. . Note title and content of "Use de key combination Alt TAB to switch between open windows" [2].
. Note title "Use de key combination Alt TAB to switch between open windows" [3]. . Title and content of frame "Advance Usage" [4]. . Content of frame "Uso Avanzado" [5].
. Title of frame "Advanced usage" [6].