= link_to safe_params.merge(rss_url_options), class: 'btn has-tooltip', data: { container: 'body' }, title: _('Subscribe to RSS feed') do = icon('rss') = link_to safe_params.merge(calendar_url_options), class: 'btn has-tooltip', data: { container: 'body' }, title: _('Subscribe to calendar') do = custom_icon('icon_calendar')