use FeCore qw/:ALL/;
use FeFile qw/:ALL/;

...

use base qw/Exporter/;
our @EXPORT      = qw//;
our @EXPORT_OK   = qw/tk_main
                      anzeige_fenster
                      hilfe
                      historie
                      ueber
                      open_or_new
                      tk_ende/;
our %EXPORT_TAGS = (ALL => [qw/tk_main
                               anzeige_fenster
                               hilfe
                               historie
                               ueber
                               open_or_new
                               tk_ende/]);