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textfield - Add attribute to rails helper text field?

I have a rails helper text field from devise that uses html and atomatically validates the type="email" field. I want to add the attribute novalidate='novalidate' to it, but i do not know how.. Heres the code.. any suggestions?

<%= form_for(resource, :as => resource_name, :url => session_path(resource_name)
) do |f| %>
  <p><%= f.label :login %><br />
  <%= f.email_field :login %></p>
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Just do:

<%= f.email_field :login, :novalidate => 'novalidate' %>

UPDATE -- If you want to add an attribute to the FORM tag, the syntax is slightly different:

<%= form_for(resource, :as => resource_name, :url => session_path(resource_name), :html => {:novalidate => 'novalidate'}) do |f| %>

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