<p> $maybe user <- maybeUser <form method=post action=@{ChallengeDiscussionR name}#form enctype=#{formEnctype}> ^{formWidget} <button .btn .btn-primary type="submit"> _{MsgSend} <span class="glyphicon glyphicon-upload"></span> $nothing <b>Log in to write a comment <p> <a href=@{ChallengeDiscussionFeedR name}> <img src="/static/images/rss-icon.jpg"> <div .timeline-box> $forall item <- sortedTimelineItems ^{timelineItemWidget item}