szurubooru/public_html/templates/comment-form.tpl

<form class="comment-form">

    <h1><%= title %></h1>

    <div class="preview"></div>

    <div class="form-row text">
        <div class="input-wrapper">
            <textarea name="text" cols="50" rows="3"><% if (typeof(text) !== 'undefined') { print(text) } %></textarea>
        </div>
    </div>

    <div class="form-row">
        <button type="submit" name="sender" value="preview">Preview</button>&nbsp;
        <button type="submit" name="sender" value="submit">Submit</button>
    </div>
</form>