anchor.diff:  
   <fieldset class='form-horizontal'>
     <legend><%= t('.notification_settings')%></legend>
  -  <div class='control-group'>
  -    <label class='control-label'><%= t('.notifications') %></label>
  -    <div class='controls'>
  +  <div class='form-group'>
  +    <label class='control-label col-sm-2'><%= t('.notifications') %></label>
  +    <div class='col-sm-5'>
         <label class='checkbox' for="user_notify_via_email">
           <%= check_box 'user', 'notify_via_email'  %>
           <%= t('.notification_email')%>
  
positive.code:   <%= t(".how_to_setup_twitter", twitter_settings_link: link_to(t(".fill_the_twitter_credentials"), controller: 'admin/settings', action: 'write'), twitter_registration_link: link_to(t(".registered_your_application"), "https://dev.twitter.com/apps/new")) %>
    </p>
  <%- end %>
    <div class='control-group'>
      <label class='control-label' for="user_twitter_account"><%= t('.twitter_account')%></label>
      <div class='controls'>
        <%= text_field('user', 'twitter_account', {class: 'span5', disabled: twitter_available?(this_blog, current_user)}) %>
        <p class='help-block'>The Twitter account you want to post with</p>
      </div>
    </div>
    <div class='control-group'>
      <label class='control-label' for="user_twitter_oauth_token"><%= t('.twitter_oauth')%></label>
      <div class='controls'>
        <%= text_field('user', 'twitter_oauth_token', {class: 'span5', disabled: twitter_available?(this_blog, current_user)}) %>
      </div>
    </div>
    <div class='control-group'>
      <label class='control-label' for="user_twitter_oauth_token_secret"><%= t('.twitter_oauth_secret')%></label>
      <div class='controls'>
        <%= text_field('user', 'twitter_oauth_token_secret', {class: 'span5', disabled: twitter_available?(this_blog, current_user)}) %>
      </div>
    </div>
  </fieldset>
  
negative.code: <fieldset class='form-horizontal'>
    <legend><%= t('.contact_settings')%></legend>
    <div class='alert alert-info'><%= t('.contact_explain', link: link_to(t('.author_page'), :controller => '/authors', :action => 'show', :id => current_user.login)) %></div>
    <div class='form-group'>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_description"><%= t('.about')%></label>
        <div class='col-sm-5'>
          <%= text_area('user', 'description', {:class => 'form-control', :rows => 5}) %>
        </div>
      </div>
      <label class='control-label col-sm-2' for="user_url"><%= t('.website')%></label>
      <div class='col-sm-5'>
        <%= text_field('user', 'url', {:class => 'form-control'}) %>
      </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_msn"><%= t('.msn')%></label>
        <div class='col-sm-5'>
          <%= text_field('user', 'msn', {:class => 'form-control'}) %>
        </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_yahoo"><%= t('.yahoo')%></label>
        <div class='col-sm-5'>
          <%= text_field('user', 'yahoo', {:class => 'form-control'}) %>
        </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_jabber"><%= t('.jabber')%></label>
        <div class='col-sm-5'>
          <%= text_field('user', 'jabber', {:class => 'form-control'}) %>
        </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_aim"><%= t('.aim')%></label>
        <div class='col-sm-5'>
          <%= text_field('user', 'aim', {:class => 'form-control'}) %>
        </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-2' for="user_twitter"><%= t('.twitter')%></label>
        <div class='col-sm-5'>
          <%= text_field('user', 'twitter', {:class => 'form-control'}) %>
        </div>
      </div>
    </fieldset>
  