<% page.revisions.reverse_each do |revision| %>

<%= revision.number %>. On <%= revision.created_at %> <%= revision.author %> changed: (return to this version)
<% revision.changes.each do |change_group| %> <% change_group.each do |change| case change[0] when "-" %> <%= change[1] %>. <%= change[2] %>
<% when "+" %> <%= change[1] %>. <%= change[2] %>
<% end %> <% end %> <% end %>

<% end %>
(Return to editing)