Add Topic
${req.args.subject and wiki_to_oneliner(context, req.args.subject) or ' '}
${req.args.body and wiki_to_html(context, req.args.body) or ' '}
${wiki_to_oneliner(context, format_author(req.args.author))}
${format_datetime(discussion.time)} (${pretty_timedelta(
discussion.time)} ago)