sub _parse_attribute_args {
my $self = shift;
- warn "WARNING: Long form arg (name => 'class', value => 'x') is deprecated. This may not do what you originally intended..."
+ die "Long form arg (name => 'class', value => 'x') is no longer supported"
if(@_ == 1 && $_[0]->{'name'} && $_[0]->{'value'});
my $opts = ref($_[0]) eq 'HASH' ? $_[0] : {$_[0] => $_[1]};