HTML::Widget::Constraint::Any - Any Constraint
my $c = $widget->constraint( 'Any', 'foo', 'bar' );
One or more of the named fields must be present.
A list of element names for which an error should be displayed.
If this is not set, the default behaviour is for the error to be displayed for all of the Constraint's named elements.
This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.