anchor.diff:  
   <div id="no_collaborations_message" style="<%= hidden unless @collaborations.empty? %>">
     <% if can_do(@context, @current_user, :manage_content) %>
  -    <p><%= mt :description_teacher, <<-HEREDOC, :google_url => "http://docs.google.com", :etherpad_url => "http://www.etherpad.org"
  +    <p><%= mt :description_teacher, <<-HEREDOC, :google_url => "http://docs.google.com"
   **What do we mean by collaborations?**  We're talking about web-based tools that most
   likely your students are already familiar with.  Students can use resources like
  -[Google Docs](%{google_url}) and [EtherPad](%{etherpad_url})
  +[Google Docs](%{google_url})
   to work collaboratively on tasks like group papers or note-taking.  This page gives them
   (and you) an easy place to keep track of those collaborations, and also to set them
   up without having to swap emails.
   HEREDOC
           %></p>
     <% else %>
  -    <p><%= mt :description_student, <<-HEREDOC, :google_url => "http://docs.google.com", :etherpad_url => "http://www.etherpad.org"
  +    <p><%= mt :description_student, <<-HEREDOC, :google_url => "http://docs.google.com"
   **What do we mean by collaborations?**  We're talking about web-based tools for
   working together on a shared document.  You can use resources like
  -[Google Docs](%{google_url}) and [EtherPad](%{etherpad_url})
  +[Google Docs](%{google_url})
   to work collaboratively on tasks like group papers or note-taking.  This page is
   an easy place to keep track of those collaborations, and also to set them
   up without having to swap emails.
  
positive.code: 
  <% content_for :right_side do %>
    <div class="rs-margin-all">
      <p><%= mt :description_rs, <<-HEREDOC, :google_url => "http://docs.google.com", :etherpad_url => "http://www.etherpad.org"
  Free online web tools like [Google Docs](%{google_url}) and [EtherPad](%{etherpad_url})
  are an excellent place for students to work on group projects or papers, take shared notes, etc.
  Teacher *or* students can set up group collaborations.
  HEREDOC
         %>
  
negative.code: <a href="#" class="external_link" target="_blank" style="display: none;">&nbsp;</a>
  
  <header class="collaborations-header clearfix">
    <h1><%= t 'titles.current', "Current Collaborations" %></h1>
  
    <% if can_do(@context, @current_user, :create_collaborations) && !@hide_create_ui %>
  