Empty lines around stand-alone macros are badly converted

<h1>Foo</h1>
<div class="wikimodel-emptyline"></div>
<!--startmacro:toc|-|--><!--stopmacro-->
<div class="wikimodel-emptyline"></div>
<h2>Bar</h2>

= Foo =

{{toc/}}



== Bar ==

= Foo =


{{toc/}}


== Bar ==