openproject/app/views/tasks/_task.html.erb

<div class="task <%= mark_if_closed(task) %>" id="task_<%= task.id %>">
  <div class="id"><%= issue_link_or_empty(task) %></div>
  <div class="subject editable" fieldtype="textarea" fieldname="subject"><%= task.subject %></div>
  <div class="remaining_hours editable" fieldname="remaining_hours"><%= task.remaining_hours || "0.0" %></div>
  <div class="assigned_to_id editable" fieldtype="select" fieldname="assigned_to_id">
    <div class="t"><%= assignee_name_or_empty(task) %></div>
    <div class="v"><%= assignee_id_or_empty(task) %></div>
  </div>
  <div class="indicator"> </div>
</div>