<test>
  <a petal:replace="string:REPLACE" />
  <a petal:content="string:CONTENT" />
  <a petal:condition="string:true">CONDITION</a>
  <a petal:repeat="item loop">LOOP</a>
  <a petal:omit-tag="" class="OMIT_ME">No surrounding tags</a>
  <a foo-bar="baz" />
  <span petal:content="first_name">First</span>
</test>