<span metal:define-macro="page" tal:omit-tag="">
  <h1 metal:define-slot="name" tal:omit-tag="" />
</span>

<span metal:use-macro="page">
  <h1 metal:fill-slot="name" tal:content="macroname">name</h1>
</span>
<span metal:define-macro="page" tal:omit-tag="">
  <h1 metal:define-slot="name" tal:omit-tag="" />
</span>

<span metal:use-macro="page">
  <h1 metal:fill-slot="name" tal:content="string:page">name</h1>
</span>
Update expected rendering - "macroname" will not be supported
Update expected rendering - "macroname" will not be supported
