openproject/frontend/app/components/inplace-edit/directives/field-edit/edit-wiki-textarea/edit-wiki-textarea.directive.html

<div class="textarea-wrapper" ng-class="{'-preview': customEditorController.isPreview}">
  <label
    class="hidden-for-sighted"
    for="inplace-edit--write-value--{{::field.name}}">
      {{::field.getLabel()}}
  </label>
  <textarea
          wiki-toolbar
          style="min-height: 114px"
          msd-elastic="\n"
          class="focus-input inplace-edit--textarea -animated"
          id="inplace-edit--write-value--{{::field.name}}"
          ng-hide="customEditorController.isPreview && !fieldController.state.isBusy"
          preview-toggle="customEditorController.togglePreview()"
          name="value"
          ng-disabled="fieldController.state.isBusy"
          ng-required="fieldController.isRequired"
          ng-model="field.value.raw"
          title="{{ fieldController.editTitle }}">
  </textarea>
  <div class="inplace-edit--preview" ng-if="customEditorController.isPreview && !fieldController.state.isBusy">
      <span ng-bind-html="customEditorController.previewHtml"></span>
  </div>
</div>