+ $self->{raw_io_active} = 0;
+}
+
+sub set_numberformat_wo_thousands_separator {
+ my $self = shift;
+ my $myconfig = shift || \%::myconfig;
+
+ $self->{saved_numberformat} = $myconfig->{numberformat};
+ $myconfig->{numberformat} =~ s/^1[,\.]/1/;
+}
+
+sub restore_numberformat {
+ my $self = shift;
+ my $myconfig = shift || \%::myconfig;
+
+ $myconfig->{numberformat} = $self->{saved_numberformat} if $self->{saved_numberformat};
+}
+
+sub get_local_time_zone {
+ my $self = shift;
+ $self->{local_time_zone} ||= DateTime::TimeZone->new(name => 'local');
+ return $self->{local_time_zone};