{namespace vh=In2code\Powermail\ViewHelpers}
<div xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers"
      f:schemaLocation="https://fluidtypo3.org/schemas/fluid-master.xsd"
      xmlns:vh="In2code\Powermail\ViewHelpers"
      data-namespace-typo3-fluid="true">

    <div class="o-form__item">
        <p class="powermail_all_label powermail_all_type_{answer.field.type} powermail_all_marker_{answer.field.marker}">
            {answer.field.title}
        </p>
        <div class="powermail_all_value powermail_all_type_{answer.field.type} powermail_all_marker_{answer.field.marker}">
            <f:if condition="{vh:Condition.IsArray(val: '{answer.value}')}">
                <f:else>
                    <f:format.html>{answer.value}</f:format.html>
                </f:else>
                <f:then>
                    <f:for each="{answer.value}" as="subValue" iteration="index">
                        <f:if condition="{subValue}">
                            <f:format.html>{subValue}<f:if condition="{index.isLast}"><f:else>, </f:else></f:if></f:format.html>
                        </f:if>
                    </f:for>
                </f:then>
            </f:if>
        </div>
    </div>
    
</div>