teditable ng-keydown="ctrl.onKeydown($event)" ng-model="ctrl.schemaJson"></pre>
    <div class="alert alert-danger" role="alert" ng-hide="ctrl.schemaParses">{{ ctrl.schemaError }}</div>
    <h2 class="h3" translate>Form</h2>
    <p translate>Use the form to set titles, descriptions and choose specific UI element types for each schema item. In the form builder, the form must be JSON, but you can use JavaScript in production code, such as <code>gettext</code> for translation.</p>
    <pre class="code-input" c