openproject/public/templates/work_packages/tabs/_user_activity.html

<div class="work-package-details-activities-activity-contents">
  <div class="comments-number"><a ng-href="#{{ currentAnchor }}" ng-bind="'#' + activityNo"></a>
    <div class="comments-icons"><i class="icon-quote" ng-click="quoteComment()"></i><i class="icon-edit" ng-click="editComment()"></i></div>
  </div>
  <img class="avatar" ng-src="{{ userAvatar }}" />
  <span class="user"><a ng-href="{{ userPath(userId) }}" name="{{ currentAnchor }}" ng-bind="userName"></a></span>
  <span class="date">{{ I18n.t('js.label_commented_on') }} <span ng-bind="activity.props.createdAt | date:'short'"/></span>
  <span class="comment wiki">
    <span ng-if="!inEdit"
          class="message"
          ng-show="activity.props._type == 'Activity::Comment'"
          ng-bind-html="activity.props.comment"/>
    <div ng-if="inEdit">
      <textarea id="edit-comment-text"
                ng-bind-html="activity.props.rawComment"></textarea>
      <button class="button" ng-click="updateComment()">{{ I18n.t('js.button_update') }}</button>
      <span><a href="" ng-click="cancelEdit()">cancel</span>
    </div>
    <ul class="work-package-details-activities-messages">
      <li ng-repeat="detail in activity.props.htmlDetails track by $index">
        <span class="message" ng-bind-html="detail"/>
      </li>
    </ul>
  </span>
</div>