Append
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Append allows you to append further addresses to the existing ones. The
already loaded addresses are not deleted before. Be careful! If you
append two identical address lists, every entry will appear twice,
which is usually not desired.

It is possible to set the group selection for the addresses that are to
be appended in the little window that appears after you selected
Append. These group selection flags are set to all addresses that
shall be loaded!

Please notice that already existing group flags of addresses in the
file to append are not erased! This means that you may only add new
group flags to the addresses but not unset existing ones!

Ok accepts the set group selection and appends the selected address
file; Cancel not only cancels the group selection but the complete
appending procedure, i.e. no addresses are appended!