= t '.body', subject: @event.title, author: @current_user || t('.submitter') :ruby new = render file: '/events/show' former = @event @event = @event.previous_version if @event.previous_version prev = render file: '/events/show' @event = former require 'differ/format/patch' Differ.format = Differ::Format::Patch = Differ.diff new, prev \ - if @current_user = edit_moderation_url @event - else = edit_event_url @event, secret: @event.secret \ = t '.signature'