if ((duration != null) && !duration.isBlank()) buff.append(" <li><em> Duration: </em> ").append(StringUtil2.quoteHtmlContent(duration.toString())).append("\n"); CalendarDuration resolution = tc.getResolution(); if (resolution != null && !resolution.isBlank()) { buff.append(" <li><em> Resolution: </em> ").append(StringUtil2.quoteHtmlContent(resolution.toString())).append("\n");