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TextileEditorHelper even though I had to then hack the helper to not overwrite the textarea class.

module ActionView::Helpers

  module FormHelper

    def textile_editor(object_name, method, options = {})
      output = []
      name = "#{object_name}[#{method}]"
      output << text_area_tag(name, nil, options.merge(class: [options[:class], 'textile_editor'].reject(&:blank?).join(' ')))
      output.join("\n").html_safe
    end
  
  end

end

Trying to work out why compressing jQuery in Rails 4 breaks IE8. Then realising.

jQuery 2.x has the same API as jQuery 1.x, but does not support Internet Explorer 6, 7, or 8.

and the BitMapCatNap