Nouvel essai pour format ical

app/views/events/index.ics.erb

@@ -10,7 +10,7 @@ BEGIN:VEVENT
 DTSTART:<%= event.start_time.strftime '%Y%m%dT%H%M%S' %>
 DTEND:<%= event.end_time.strftime '%Y%m%dT%H%M%S' %>
 UID:<%= event.id %>@agendadulibre.org
-SUMMARY:<%= event.title %>
+SUMMARY:<%= event.title.gsub(/,/, '\,').gsub(/;/, '\;') %>
 URL:<%= event_url event %>
 DESCRIPTION:<%= strip_tags(event.description).to_crlf.gsub(/,/, '\,').gsub(/;/, '\;').gsub /^/, ' ' %>
 LOCATION:<%= event.full_address.gsub(/,/, '\,') %>