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2 parents 571516d + 7f4b6a4 commit a088186Copy full SHA for a088186
app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml
@@ -15,7 +15,15 @@
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</div>
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<?php endif;?>
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- <iframe name="preview_iframe" id="preview_iframe" frameborder="0" title="<?php /* @escapeNotVerified */ echo __('Preview') ?>" width="100%"></iframe>
+ <iframe
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+ name="preview_iframe"
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+ id="preview_iframe"
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+ frameborder="0"
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+ title="<?php /* @escapeNotVerified */ echo __('Preview') ?>"
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+ width="100%"
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+ sandbox="allow-forms allow-pointer-lock"
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+ >
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+ </iframe>
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<?php echo $block->getChildHtml('preview_form'); ?>
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