szurubooru/client/html/comment_form.tpl

<div class='tabs'>
    <form>
        <div class='tabs-wrapper'><%
            %><div class='tab-wrapper'><%
                %><div class='preview tab'><%
                    %><div class='comment-content'><%
                        %><%= ctx.makeMarkdown(ctx.comment.text) %><%
                    %></div><%
                %></div><%

                %><div class='edit tab'><%
                    %><textarea required minlength=1><%- ctx.comment.text %></textarea><%
                %></div><%
            %></div><%
        %></div>

        <nav class='buttons'>
            <ul>
                <li class='preview'><a href>Preview</a></li>
                <li class='edit'><a href>Edit</a></li>
            </ul>
        </nav>

        <nav class='actions'>
            <input type='submit' class='save' value='Save'/>
            <input type='button' class='cancel discourage' value='Cancel'/>
        </nav>
    </form>

    <div class='messages'></div>
</div>