redmine/app/views/activities/_activities.html.erb

<div id="activity">
<% events_by_day.keys.sort.reverse_each do |day| %>
<h3><%= format_activity_day(day) %></h3>
<dl>
<% sort_activity_events(events_by_day[day]).each do |e, in_group| -%>
  <dt class="<%= e.event_type %> icon icon-<%= e.event_type %> <%= "grouped" if in_group %> <%= User.current.logged? && e.respond_to?(:event_author) && User.current == e.event_author ? 'me' : nil %>">
  <%= avatar(e.event_author) if e.respond_to?(:event_author) %>
  <span class="time"><%= format_time(e.event_datetime, false) %></span>
  <%= content_tag('span', e.project, :class => 'project') if @project.nil? || @project != e.project %>
  <%= link_to format_activity_title(e.event_title), e.event_url %>
  </dt>
  <dd class="<%= "grouped" if in_group %>"><span class="description"><%= format_activity_description(e.event_description) %></span>
  <span class="author"><%= link_to_user(e.event_author) if e.respond_to?(:event_author) %></span></dd>
<% end -%>
</dl>
<% end -%>
</div>