anchor.diff:      <%= f.button :submit, :class => 'primary' %>
       <%= button_tag 'Cancel', :type => :reset, :class => "btn" %>
     </div>
  -    <pre class='prettyprint linenums lang-rb'>
  +<pre class='prettyprint linenums lang-rb'>
    f.button :submit, :class =&gt; 'primary'
  - button_tag 'Cancel', :type =&gt; :reset, :class =&gt; "btn" </pre>
  + button_tag 'Cancel', :type =&gt; :reset, :class =&gt; "btn"
  +</pre>
   <% end %>
  
positive.code: </div>
  
  <%= simple_form_for @article, :wrapper => :bootstrap, :html => { :class => 'form-horizontal' } do |f| %>
   <pre class='prettyprint linenums lang-rb'> simple_form_for(@article, :wrapper =&gt; :bootstrap, :html =&gt; { :class =&gt; 'form-horizontal' }) do |f| </pre>
  
    <% if f.error_notification %>
      <div class="alert alert-error fade in">
  
negative.code:   <legend>Article</legend>
    <%= f.input :name, :input_html => { :class => "span6" },
                :hint => "add your article title here" %>
  <pre class='prettyprint linenums lang-rb'>
    f.input :name, :input_html =&gt; { :class =&gt; "span6" }, :hint =&gt; "add your article title here"
  </pre>
  
    <%= f.input :name, :wrapper => :prepend, :label => false do %>
      <%= content_tag :span, "Name", :class => "add-on" %>
      <%= f.input_field :name %>
    <% end %>
  
  <pre class='prettyprint linenums lang-rb'>
    f.input :name, :wrapper =&gt; :prepend, :label =&gt; false do
      content_tag :span, "Name", :class =&gt; "add-on"
      f.input_field :name
    end
  </pre>
  
    <%= f.input  :published, :wrapper => :checkbox, :as => :boolean %>
  
  <pre class='prettyprint linenums lang-rb'>
    f.input :published, :wrapper =&gt; :checkbox, :as =&gt; :boolean
  </pre>
  
    <%= content_tag :fieldset, :class => 'control-group' do %>
      <%= content_tag :label, 'Options', :class => 'control-label' %>
  