agenda-libre-ruby/app/views/orga_mailer/update.text.haml

!= t '.body', subject: @orga.name, author: @current_user || t('.submitter')

:ruby
  new = render template: '/orgas/show'

  former = @orga
  @orga = @orga.paper_trail.previous_version

  prev = render template: '/orgas/show'
  @orga = former

  require 'differ/format/patch'
  Differ.format = Differ::Format::Patch
!= Differ.diff new, prev
\
= surround '<'.html_safe, '>'.html_safe do
  = edit_orga_url @orga, secret: @orga.secret
\
!= t '.signature'