openproject/frontend/app/components/work-packages/wp-subject/wp-subject.directive.html

<div ng-if="$ctrl.workPackage" wp-edit-form="$ctrl.workPackage">

  <div
      wp-edit-field="'subject'"
      class="work-packages--details--title">
    <wp-display-attr
        schema="$ctrl.workPackage.schema"
        work-package="$ctrl.workPackage"
        attribute="'subject'">
    </wp-display-attr>
  </div>

</div>