We are using the html option on wrapper because the wrapper has some
options that are not related to html attributes.
Now you can for example:
```ruby
config.wrappers do |b|
b.wrapper :tag => :td, :class => :some_class, :html => { :additional_html_attribute => :value }
end
```
Thanks @remofritzsche @rafaelfranca @bellthoven
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