= "Anexo " + link_to(h(entry.attachment.file_name), course_attachment_url(entry.course, entry.attachment))

= "criado "     if entry.kind_of?(AttachmentCreateLogEntry)
= "editado "    if entry.kind_of?(AttachmentEditLogEntry)
= "excluído "   if entry.kind_of?(AttachmentDeleteLogEntry)
= "restaurado " if entry.kind_of?(AttachmentRestoreLogEntry)