=head1 NAME

Tk::widgets - preload widget classes

=for pm Tk/widgets.pm

=for category Implementation

=head1 SYNOPSIS

  use Tk::widgets qw(Button Label Frame);

=head1 DESCRIPTION

Does a 'require Tk::Foo' for each 'Foo' in the list.
May speed startup by avoiding AUTOLOADs.

=cut